40286205

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{28879}}^1$

素因数の和:28921

約数の個数: 24

約数和(自身を含む): 72084480

約数和(自身を除く): 31798275

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 155, 279, 465, 1395, 28879, 86637, 144395, 259911, 433185, 895249, 1299555, 2685747, 4476245, 8057241, 13428735, 40286205]

約数ペア:

[(1, 40286205), (3, 13428735), (5, 8057241), (9, 4476245), (15, 2685747), (31, 1299555), (45, 895249), (93, 433185), (155, 259911), (279, 144395), (465, 86637), (1395, 28879)]