81408929

素因数分解:

$7^1\times {\mathrm{101}}^1\times {\mathrm{113}}^1\times {\mathrm{1019}}^1$

素因数の和:1240

約数の個数: 16

約数和(自身を含む): 94884480

約数和(自身を除く): 13475551

約数列:

[1, 7, 101, 113, 707, 791, 1019, 7133, 11413, 79891, 102919, 115147, 720433, 806029, 11629847, 81408929]

約数ペア:

[(1, 81408929), (7, 11629847), (101, 806029), (113, 720433), (707, 115147), (791, 102919), (1019, 79891), (7133, 11413)]