205258905

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{147139}}^1$

素因数の和:147181

約数の個数: 24

約数和(自身を含む): 367261440

約数和(自身を除く): 162002535

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 155, 279, 465, 1395, 147139, 441417, 735695, 1324251, 2207085, 4561309, 6621255, 13683927, 22806545, 41051781, 68419635, 205258905]

約数ペア:

[(1, 205258905), (3, 68419635), (5, 41051781), (9, 22806545), (15, 13683927), (31, 6621255), (45, 4561309), (93, 2207085), (155, 1324251), (279, 735695), (465, 441417), (1395, 147139)]