27888211

素因数分解:

${\mathrm{13}}^2\times {\mathrm{17}}^2\times {\mathrm{571}}^1$

素因数の和:631

約数の個数: 18

約数和(自身を含む): 32135532

約数和(自身を除く): 4247321

約数列:

[1, 13, 17, 169, 221, 289, 571, 2873, 3757, 7423, 9707, 48841, 96499, 126191, 165019, 1640483, 2145247, 27888211]

約数ペア:

[(1, 27888211), (13, 2145247), (17, 1640483), (169, 165019), (221, 126191), (289, 96499), (571, 48841), (2873, 9707), (3757, 7423)]