90403905

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{433}}^1\times {\mathrm{449}}^1$

素因数の和:921

約数の個数: 32

約数和(自身を含む): 149990400

約数和(自身を除く): 59586495

約数列:

[1, 3, 5, 15, 31, 93, 155, 433, 449, 465, 1299, 1347, 2165, 2245, 6495, 6735, 13423, 13919, 40269, 41757, 67115, 69595, 194417, 201345, 208785, 583251, 972085, 2916255, 6026927, 18080781, 30134635, 90403905]

約数ペア:

[(1, 90403905), (3, 30134635), (5, 18080781), (15, 6026927), (31, 2916255), (93, 972085), (155, 583251), (433, 208785), (449, 201345), (465, 194417), (1299, 69595), (1347, 67115), (2165, 41757), (2245, 40269), (6495, 13919), (6735, 13423)]