15221420137

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{449}}^1\times {\mathrm{440269}}^1$

素因数の和:440736

約数の個数: 16

約数和(自身を含む): 19019664000

約数和(自身を除く): 3798243863

約数列:

[1, 7, 11, 77, 449, 3143, 4939, 34573, 440269, 3081883, 4842959, 33900713, 197680781, 1383765467, 2174488591, 15221420137]

約数ペア:

[(1, 15221420137), (7, 2174488591), (11, 1383765467), (77, 197680781), (449, 33900713), (3143, 4842959), (4939, 3081883), (34573, 440269)]