123500475

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{4127}}^1$

素因数の和:4169

約数の個数: 72

約数和(自身を含む): 266173440

約数和(自身を除く): 142672965

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 25, 35, 45, 57, 63, 75, 95, 105, 133, 171, 175, 225, 285, 315, 399, 475, 525, 665, 855, 1197, 1425, 1575, 1995, 3325, 4127, 4275, 5985, 9975, 12381, 20635, 28889, 29925, 37143, 61905, 78413, 86667, 103175, 144445, 185715, 235239, 260001, 309525, 392065, 433335, 548891, 705717, 722225, 928575, 1176195, 1300005, 1646673, 1960325, 2166675, 2744455, 3528585, 4940019, 5880975, 6500025, 8233365, 13722275, 17642925, 24700095, 41166825, 123500475]

約数ペア:

[(1, 123500475), (3, 41166825), (5, 24700095), (7, 17642925), (9, 13722275), (15, 8233365), (19, 6500025), (21, 5880975), (25, 4940019), (35, 3528585), (45, 2744455), (57, 2166675), (63, 1960325), (75, 1646673), (95, 1300005), (105, 1176195), (133, 928575), (171, 722225), (175, 705717), (225, 548891), (285, 433335), (315, 392065), (399, 309525), (475, 260001), (525, 235239), (665, 185715), (855, 144445), (1197, 103175), (1425, 86667), (1575, 78413), (1995, 61905), (3325, 37143), (4127, 29925), (4275, 28889), (5985, 20635), (9975, 12381)]