31890909

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{2467}}^1$

素因数の和:2640

約数の個数: 16

約数和(自身を含む): 44226560

約数和(自身を除く): 12335651

約数列:

[1, 3, 31, 93, 139, 417, 2467, 4309, 7401, 12927, 76477, 229431, 342913, 1028739, 10630303, 31890909]

約数ペア:

[(1, 31890909), (3, 10630303), (31, 1028739), (93, 342913), (139, 229431), (417, 76477), (2467, 12927), (4309, 7401)]