81974739

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{354869}}^1$

素因数の和:354890

約数の個数: 16

約数和(自身を含む): 136270080

約数和(自身を除く): 54295341

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 354869, 1064607, 2484083, 3903559, 7452249, 11710677, 27324913, 81974739]

約数ペア:

[(1, 81974739), (3, 27324913), (7, 11710677), (11, 7452249), (21, 3903559), (33, 2484083), (77, 1064607), (231, 354869)]