225917505

素因数分解:

$3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1$

素因数の和:221

約数の個数: 160

約数和(自身を含む): 495538560

約数和(自身を除く): 269621055

約数列:

[1, 3, 5, 9, 11, 15, 17, 19, 27, 33, 45, 51, 55, 57, 81, 85, 95, 99, 135, 153, 157, 165, 171, 187, 209, 255, 285, 297, 323, 405, 459, 471, 495, 513, 561, 627, 765, 785, 855, 891, 935, 969, 1045, 1377, 1413, 1485, 1539, 1615, 1683, 1727, 1881, 2295, 2355, 2565, 2669, 2805, 2907, 2983, 3135, 3553, 4239, 4455, 4845, 5049, 5181, 5643, 6885, 7065, 7695, 8007, 8415, 8635, 8721, 8949, 9405, 10659, 12717, 13345, 14535, 14915, 15147, 15543, 16929, 17765, 21195, 24021, 25245, 25905, 26163, 26847, 28215, 29359, 31977, 32813, 40035, 43605, 44745, 46629, 50711, 53295, 63585, 72063, 75735, 77715, 80541, 84645, 88077, 95931, 98439, 120105, 130815, 134235, 139887, 146795, 152133, 159885, 164065, 216189, 233145, 241623, 253555, 264231, 287793, 295317, 360315, 402705, 440385, 456399, 479655, 492195, 557821, 699435, 760665, 792693, 885951, 1080945, 1208115, 1321155, 1369197, 1438965, 1476585, 1673463, 2281995, 2378079, 2657853, 2789105, 3963465, 4107591, 4429755, 5020389, 6845985, 8367315, 11890395, 13289265, 15061167, 20537955, 25101945, 45183501, 75305835, 225917505]

約数ペア:

[(1, 225917505), (3, 75305835), (5, 45183501), (9, 25101945), (11, 20537955), (15, 15061167), (17, 13289265), (19, 11890395), (27, 8367315), (33, 6845985), (45, 5020389), (51, 4429755), (55, 4107591), (57, 3963465), (81, 2789105), (85, 2657853), (95, 2378079), (99, 2281995), (135, 1673463), (153, 1476585), (157, 1438965), (165, 1369197), (171, 1321155), (187, 1208115), (209, 1080945), (255, 885951), (285, 792693), (297, 760665), (323, 699435), (405, 557821), (459, 492195), (471, 479655), (495, 456399), (513, 440385), (561, 402705), (627, 360315), (765, 295317), (785, 287793), (855, 264231), (891, 253555), (935, 241623), (969, 233145), (1045, 216189), (1377, 164065), (1413, 159885), (1485, 152133), (1539, 146795), (1615, 139887), (1683, 134235), (1727, 130815), (1881, 120105), (2295, 98439), (2355, 95931), (2565, 88077), (2669, 84645), (2805, 80541), (2907, 77715), (2983, 75735), (3135, 72063), (3553, 63585), (4239, 53295), (4455, 50711), (4845, 46629), (5049, 44745), (5181, 43605), (5643, 40035), (6885, 32813), (7065, 31977), (7695, 29359), (8007, 28215), (8415, 26847), (8635, 26163), (8721, 25905), (8949, 25245), (9405, 24021), (10659, 21195), (12717, 17765), (13345, 16929), (14535, 15543), (14915, 15147)]