31178061

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{311}}^1$

素因数の和:446

約数の個数: 32

約数和(自身を含む): 47923200

約数和(自身を除く): 16745139

約数列:

[1, 3, 9, 27, 47, 79, 141, 237, 311, 423, 711, 933, 1269, 2133, 2799, 3713, 8397, 11139, 14617, 24569, 33417, 43851, 73707, 100251, 131553, 221121, 394659, 663363, 1154743, 3464229, 10392687, 31178061]

約数ペア:

[(1, 31178061), (3, 10392687), (9, 3464229), (27, 1154743), (47, 663363), (79, 394659), (141, 221121), (237, 131553), (311, 100251), (423, 73707), (711, 43851), (933, 33417), (1269, 24569), (2133, 14617), (2799, 11139), (3713, 8397)]