27988987

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{1423}}^1$

素因数の和:1542

約数の個数: 16

約数和(自身を含む): 32296320

約数和(自身を除く): 4307333

約数列:

[1, 13, 17, 89, 221, 1157, 1423, 1513, 18499, 19669, 24191, 126647, 314483, 1646411, 2152999, 27988987]

約数ペア:

[(1, 27988987), (13, 2152999), (17, 1646411), (89, 314483), (221, 126647), (1157, 24191), (1423, 19669), (1513, 18499)]