31408695

素因数分解:

$3^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{1181}}^1$

素因数の和:1392

約数の個数: 32

約数和(自身を含む): 56168640

約数和(自身を除く): 24759945

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 197, 591, 985, 1181, 1773, 2955, 3543, 5319, 5905, 8865, 10629, 17715, 26595, 31887, 53145, 159435, 232657, 697971, 1163285, 2093913, 3489855, 6281739, 10469565, 31408695]

約数ペア:

[(1, 31408695), (3, 10469565), (5, 6281739), (9, 3489855), (15, 2093913), (27, 1163285), (45, 697971), (135, 232657), (197, 159435), (591, 53145), (985, 31887), (1181, 26595), (1773, 17715), (2955, 10629), (3543, 8865), (5319, 5905)]