13237221

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{269}}^1\times {\mathrm{349}}^1$

素因数の和:668

約数の個数: 16

約数和(自身を含む): 18144000

約数和(自身を除く): 4906779

約数列:

[1, 3, 47, 141, 269, 349, 807, 1047, 12643, 16403, 37929, 49209, 93881, 281643, 4412407, 13237221]

約数ペア:

[(1, 13237221), (3, 4412407), (47, 281643), (141, 93881), (269, 49209), (349, 37929), (807, 16403), (1047, 12643)]