74531925

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{307}}^1$

素因数の和:419

約数の個数: 72

約数和(自身を含む): 145969824

約数和(自身を除く): 71437899

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 83, 117, 195, 225, 249, 307, 325, 415, 585, 747, 921, 975, 1079, 1245, 1535, 2075, 2763, 2925, 3237, 3735, 3991, 4605, 5395, 6225, 7675, 9711, 11973, 13815, 16185, 18675, 19955, 23025, 25481, 26975, 35919, 48555, 59865, 69075, 76443, 80925, 99775, 127405, 179595, 229329, 242775, 299325, 331253, 382215, 637025, 897975, 993759, 1146645, 1656265, 1911075, 2981277, 4968795, 5733225, 8281325, 14906385, 24843975, 74531925]

約数ペア:

[(1, 74531925), (3, 24843975), (5, 14906385), (9, 8281325), (13, 5733225), (15, 4968795), (25, 2981277), (39, 1911075), (45, 1656265), (65, 1146645), (75, 993759), (83, 897975), (117, 637025), (195, 382215), (225, 331253), (249, 299325), (307, 242775), (325, 229329), (415, 179595), (585, 127405), (747, 99775), (921, 80925), (975, 76443), (1079, 69075), (1245, 59865), (1535, 48555), (2075, 35919), (2763, 26975), (2925, 25481), (3237, 23025), (3735, 19955), (3991, 18675), (4605, 16185), (5395, 13815), (6225, 11973), (7675, 9711)]