90912825

素因数分解:

$3^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{13933}}^1$

素因数の和:13978

約数の個数: 36

約数和(自身を含む): 168462060

約数和(自身を除く): 77549235

約数列:

[1, 3, 5, 9, 15, 25, 29, 45, 75, 87, 145, 225, 261, 435, 725, 1305, 2175, 6525, 13933, 41799, 69665, 125397, 208995, 348325, 404057, 626985, 1044975, 1212171, 2020285, 3134925, 3636513, 6060855, 10101425, 18182565, 30304275, 90912825]

約数ペア:

[(1, 90912825), (3, 30304275), (5, 18182565), (9, 10101425), (15, 6060855), (25, 3636513), (29, 3134925), (45, 2020285), (75, 1212171), (87, 1044975), (145, 626985), (225, 404057), (261, 348325), (435, 208995), (725, 125397), (1305, 69665), (2175, 41799), (6525, 13933)]