13480257

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{20707}}^1$

素因数の和:20748

約数の個数: 16

約数和(自身を含む): 21204992

約数和(自身を除く): 7724735

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 20707, 62121, 144949, 434847, 641917, 1925751, 4493419, 13480257]

約数ペア:

[(1, 13480257), (3, 4493419), (7, 1925751), (21, 641917), (31, 434847), (93, 144949), (217, 62121), (651, 20707)]