72445725

素因数分解:

$3^3\times 5^2\times {\mathrm{11}}^2\times {\mathrm{887}}^1$

素因数の和:928

約数の個数: 72

約数和(自身を含む): 146448960

約数和(自身を除く): 74003235

約数列:

[1, 3, 5, 9, 11, 15, 25, 27, 33, 45, 55, 75, 99, 121, 135, 165, 225, 275, 297, 363, 495, 605, 675, 825, 887, 1089, 1485, 1815, 2475, 2661, 3025, 3267, 4435, 5445, 7425, 7983, 9075, 9757, 13305, 16335, 22175, 23949, 27225, 29271, 39915, 48785, 66525, 81675, 87813, 107327, 119745, 146355, 199575, 243925, 263439, 321981, 439065, 536635, 598725, 731775, 965943, 1317195, 1609905, 2195325, 2683175, 2897829, 4829715, 6585975, 8049525, 14489145, 24148575, 72445725]

約数ペア:

[(1, 72445725), (3, 24148575), (5, 14489145), (9, 8049525), (11, 6585975), (15, 4829715), (25, 2897829), (27, 2683175), (33, 2195325), (45, 1609905), (55, 1317195), (75, 965943), (99, 731775), (121, 598725), (135, 536635), (165, 439065), (225, 321981), (275, 263439), (297, 243925), (363, 199575), (495, 146355), (605, 119745), (675, 107327), (825, 87813), (887, 81675), (1089, 66525), (1485, 48785), (1815, 39915), (2475, 29271), (2661, 27225), (3025, 23949), (3267, 22175), (4435, 16335), (5445, 13305), (7425, 9757), (7983, 9075)]