71858925

素因数分解:

$3^2\times 5^2\times {\mathrm{521}}^1\times {\mathrm{613}}^1$

素因数の和:1150

約数の個数: 36

約数和(自身を含む): 129164724

約数和(自身を除く): 57305799

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 521, 613, 1563, 1839, 2605, 3065, 4689, 5517, 7815, 9195, 13025, 15325, 23445, 27585, 39075, 45975, 117225, 137925, 319373, 958119, 1596865, 2874357, 4790595, 7984325, 14371785, 23952975, 71858925]

約数ペア:

[(1, 71858925), (3, 23952975), (5, 14371785), (9, 7984325), (15, 4790595), (25, 2874357), (45, 1596865), (75, 958119), (225, 319373), (521, 137925), (613, 117225), (1563, 45975), (1839, 39075), (2605, 27585), (3065, 23445), (4689, 15325), (5517, 13025), (7815, 9195)]