15189551

素因数分解:

${\mathrm{13}}^2\times {\mathrm{17}}^2\times {\mathrm{311}}^1$

素因数の和:371

約数の個数: 18

約数和(自身を含む): 17528472

約数和(自身を除く): 2338921

約数列:

[1, 13, 17, 169, 221, 289, 311, 2873, 3757, 4043, 5287, 48841, 52559, 68731, 89879, 893503, 1168427, 15189551]

約数ペア:

[(1, 15189551), (13, 1168427), (17, 893503), (169, 89879), (221, 68731), (289, 52559), (311, 48841), (2873, 5287), (3757, 4043)]