1987453

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{23}}^2$

素因数の和:93

約数の個数: 18

約数和(自身を含む): 2376794

約数和(自身を除く): 389341

約数列:

[1, 13, 17, 23, 221, 289, 299, 391, 529, 3757, 5083, 6647, 6877, 8993, 86411, 116909, 152881, 1987453]

約数ペア:

[(1, 1987453), (13, 152881), (17, 116909), (23, 86411), (221, 8993), (289, 6877), (299, 6647), (391, 5083), (529, 3757)]