13265121

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1\times {\mathrm{419}}^1$

素因数の和:656

約数の個数: 16

約数和(自身を含む): 18123840

約数和(自身を除く): 4858719

約数列:

[1, 3, 61, 173, 183, 419, 519, 1257, 10553, 25559, 31659, 72487, 76677, 217461, 4421707, 13265121]

約数ペア:

[(1, 13265121), (3, 4421707), (61, 217461), (173, 76677), (183, 72487), (419, 31659), (519, 25559), (1257, 10553)]