25101945

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1$

素因数の和:215

約数の個数: 96

約数和(自身を含む): 53239680

約数和(自身を除く): 28137735

約数列:

[1, 3, 5, 9, 11, 15, 17, 19, 33, 45, 51, 55, 57, 85, 95, 99, 153, 157, 165, 171, 187, 209, 255, 285, 323, 471, 495, 561, 627, 765, 785, 855, 935, 969, 1045, 1413, 1615, 1683, 1727, 1881, 2355, 2669, 2805, 2907, 2983, 3135, 3553, 4845, 5181, 7065, 8007, 8415, 8635, 8949, 9405, 10659, 13345, 14535, 14915, 15543, 17765, 24021, 25905, 26847, 29359, 31977, 32813, 40035, 44745, 50711, 53295, 77715, 88077, 98439, 120105, 134235, 146795, 152133, 159885, 164065, 253555, 264231, 295317, 440385, 456399, 492195, 557821, 760665, 1321155, 1476585, 1673463, 2281995, 2789105, 5020389, 8367315, 25101945]

約数ペア:

[(1, 25101945), (3, 8367315), (5, 5020389), (9, 2789105), (11, 2281995), (15, 1673463), (17, 1476585), (19, 1321155), (33, 760665), (45, 557821), (51, 492195), (55, 456399), (57, 440385), (85, 295317), (95, 264231), (99, 253555), (153, 164065), (157, 159885), (165, 152133), (171, 146795), (187, 134235), (209, 120105), (255, 98439), (285, 88077), (323, 77715), (471, 53295), (495, 50711), (561, 44745), (627, 40035), (765, 32813), (785, 31977), (855, 29359), (935, 26847), (969, 25905), (1045, 24021), (1413, 17765), (1615, 15543), (1683, 14915), (1727, 14535), (1881, 13345), (2355, 10659), (2669, 9405), (2805, 8949), (2907, 8635), (2983, 8415), (3135, 8007), (3553, 7065), (4845, 5181)]