248571855

素因数分解:

$3^3\times 5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{709}}^1$

素因数の和:790

約数の個数: 96

約数和(自身を含む): 524491200

約数和(自身を除く): 275919345

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 49, 53, 63, 105, 135, 147, 159, 189, 245, 265, 315, 371, 441, 477, 709, 735, 795, 945, 1113, 1323, 1431, 1855, 2127, 2205, 2385, 2597, 3339, 3545, 4963, 5565, 6381, 6615, 7155, 7791, 10017, 10635, 12985, 14889, 16695, 19143, 23373, 24815, 31905, 34741, 37577, 38955, 44667, 50085, 70119, 74445, 95715, 104223, 112731, 116865, 134001, 173705, 187885, 223335, 263039, 312669, 338193, 350595, 521115, 563655, 670005, 789117, 938007, 1014579, 1315195, 1563345, 1690965, 1841273, 2367351, 3945585, 4690035, 5072895, 5523819, 7102053, 9206365, 11836755, 16571457, 27619095, 35510265, 49714371, 82857285, 248571855]

約数ペア:

[(1, 248571855), (3, 82857285), (5, 49714371), (7, 35510265), (9, 27619095), (15, 16571457), (21, 11836755), (27, 9206365), (35, 7102053), (45, 5523819), (49, 5072895), (53, 4690035), (63, 3945585), (105, 2367351), (135, 1841273), (147, 1690965), (159, 1563345), (189, 1315195), (245, 1014579), (265, 938007), (315, 789117), (371, 670005), (441, 563655), (477, 521115), (709, 350595), (735, 338193), (795, 312669), (945, 263039), (1113, 223335), (1323, 187885), (1431, 173705), (1855, 134001), (2127, 116865), (2205, 112731), (2385, 104223), (2597, 95715), (3339, 74445), (3545, 70119), (4963, 50085), (5565, 44667), (6381, 38955), (6615, 37577), (7155, 34741), (7791, 31905), (10017, 24815), (10635, 23373), (12985, 19143), (14889, 16695)]