31390686

素因数分解:

$2^1\times 3^3\times {\mathrm{269}}^1\times {\mathrm{2161}}^1$

素因数の和:2441

約数の個数: 32

約数和(自身を含む): 70048800

約数和(自身を除く): 38658114

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 269, 538, 807, 1614, 2161, 2421, 4322, 4842, 6483, 7263, 12966, 14526, 19449, 38898, 58347, 116694, 581309, 1162618, 1743927, 3487854, 5231781, 10463562, 15695343, 31390686]

約数ペア:

[(1, 31390686), (2, 15695343), (3, 10463562), (6, 5231781), (9, 3487854), (18, 1743927), (27, 1162618), (54, 581309), (269, 116694), (538, 58347), (807, 38898), (1614, 19449), (2161, 14526), (2421, 12966), (4322, 7263), (4842, 6483)]