31990335

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{5657}}^1$

素因数の和:5707

約数の個数: 32

約数和(自身を含む): 57032640

約数和(自身を除く): 25042305

約数列:

[1, 3, 5, 13, 15, 29, 39, 65, 87, 145, 195, 377, 435, 1131, 1885, 5655, 5657, 16971, 28285, 73541, 84855, 164053, 220623, 367705, 492159, 820265, 1103115, 2132689, 2460795, 6398067, 10663445, 31990335]

約数ペア:

[(1, 31990335), (3, 10663445), (5, 6398067), (13, 2460795), (15, 2132689), (29, 1103115), (39, 820265), (65, 492159), (87, 367705), (145, 220623), (195, 164053), (377, 84855), (435, 73541), (1131, 28285), (1885, 16971), (5655, 5657)]