31050721

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{1289}}^1$

素因数の和:1428

約数の個数: 16

約数和(自身を含む): 35758800

約数和(自身を除く): 4708079

約数列:

[1, 13, 17, 109, 221, 1289, 1417, 1853, 16757, 21913, 24089, 140501, 284869, 1826513, 2388517, 31050721]

約数ペア:

[(1, 31050721), (13, 2388517), (17, 1826513), (109, 284869), (221, 140501), (1289, 24089), (1417, 21913), (1853, 16757)]