215510321

素因数分解:

${\mathrm{13}}^3\times {\mathrm{233}}^1\times {\mathrm{421}}^1$

素因数の和:693

約数の個数: 16

約数和(自身を含む): 235020240

約数和(自身を除く): 19509919

約数列:

[1, 13, 169, 233, 421, 2197, 3029, 5473, 39377, 71149, 98093, 511901, 924937, 1275209, 16577717, 215510321]

約数ペア:

[(1, 215510321), (13, 16577717), (169, 1275209), (233, 924937), (421, 511901), (2197, 98093), (3029, 71149), (5473, 39377)]