78525975

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{509}}^1$

素因数の和:561

約数の個数: 72

約数和(自身を含む): 151396560

約数和(自身を除く): 72870585

約数列:

[1, 3, 5, 11, 15, 17, 25, 33, 51, 55, 75, 85, 121, 165, 187, 255, 275, 363, 425, 509, 561, 605, 825, 935, 1275, 1527, 1815, 2057, 2545, 2805, 3025, 4675, 5599, 6171, 7635, 8653, 9075, 10285, 12725, 14025, 16797, 25959, 27995, 30855, 38175, 43265, 51425, 61589, 83985, 95183, 129795, 139975, 154275, 184767, 216325, 285549, 307945, 419925, 475915, 648975, 923835, 1047013, 1427745, 1539725, 2379575, 3141039, 4619175, 5235065, 7138725, 15705195, 26175325, 78525975]

約数ペア:

[(1, 78525975), (3, 26175325), (5, 15705195), (11, 7138725), (15, 5235065), (17, 4619175), (25, 3141039), (33, 2379575), (51, 1539725), (55, 1427745), (75, 1047013), (85, 923835), (121, 648975), (165, 475915), (187, 419925), (255, 307945), (275, 285549), (363, 216325), (425, 184767), (509, 154275), (561, 139975), (605, 129795), (825, 95183), (935, 83985), (1275, 61589), (1527, 51425), (1815, 43265), (2057, 38175), (2545, 30855), (2805, 27995), (3025, 25959), (4675, 16797), (5599, 14025), (6171, 12725), (7635, 10285), (8653, 9075)]