15857647

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:191

約数の個数: 24

約数和(自身を含む): 18775680

約数和(自身を除く): 2918033

約数列:

[1, 13, 19, 31, 109, 247, 361, 403, 589, 1417, 2071, 3379, 4693, 7657, 11191, 26923, 39349, 43927, 64201, 145483, 511537, 834613, 1219819, 15857647]

約数ペア:

[(1, 15857647), (13, 1219819), (19, 834613), (31, 511537), (109, 145483), (247, 64201), (361, 43927), (403, 39349), (589, 26923), (1417, 11191), (2071, 7657), (3379, 4693)]