31900725

素因数分解:

$3^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{4889}}^1$

素因数の和:4934

約数の個数: 36

約数和(自身を含む): 59120100

約数和(自身を除く): 27219375

約数列:

[1, 3, 5, 9, 15, 25, 29, 45, 75, 87, 145, 225, 261, 435, 725, 1305, 2175, 4889, 6525, 14667, 24445, 44001, 73335, 122225, 141781, 220005, 366675, 425343, 708905, 1100025, 1276029, 2126715, 3544525, 6380145, 10633575, 31900725]

約数ペア:

[(1, 31900725), (3, 10633575), (5, 6380145), (9, 3544525), (15, 2126715), (25, 1276029), (29, 1100025), (45, 708905), (75, 425343), (87, 366675), (145, 220005), (225, 141781), (261, 122225), (435, 73335), (725, 44001), (1305, 24445), (2175, 14667), (4889, 6525)]