19091121

素因数分解:

$3^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{9001}}^1$

素因数の和:9112

約数の個数: 16

約数和(自身を含む): 29382528

約数和(自身を除く): 10291407

約数列:

[1, 3, 7, 21, 101, 303, 707, 2121, 9001, 27003, 63007, 189021, 909101, 2727303, 6363707, 19091121]

約数ペア:

[(1, 19091121), (3, 6363707), (7, 2727303), (21, 909101), (101, 189021), (303, 63007), (707, 27003), (2121, 9001)]