77491875

素因数分解:

$3^1\times 5^4\times {\mathrm{37}}^1\times {\mathrm{1117}}^1$

素因数の和:1177

約数の個数: 40

約数和(自身を含む): 132720016

約数和(自身を除く): 55228141

約数列:

[1, 3, 5, 15, 25, 37, 75, 111, 125, 185, 375, 555, 625, 925, 1117, 1875, 2775, 3351, 4625, 5585, 13875, 16755, 23125, 27925, 41329, 69375, 83775, 123987, 139625, 206645, 418875, 619935, 698125, 1033225, 2094375, 3099675, 5166125, 15498375, 25830625, 77491875]

約数ペア:

[(1, 77491875), (3, 25830625), (5, 15498375), (15, 5166125), (25, 3099675), (37, 2094375), (75, 1033225), (111, 698125), (125, 619935), (185, 418875), (375, 206645), (555, 139625), (625, 123987), (925, 83775), (1117, 69375), (1875, 41329), (2775, 27925), (3351, 23125), (4625, 16755), (5585, 13875)]