39920121

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{25939}}^1$

素因数の和:25970

約数の個数: 20

約数和(自身を含む): 62774800

約数和(自身を除く): 22854679

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 25939, 77817, 233451, 492841, 700353, 1478523, 2101059, 4435569, 13306707, 39920121]

約数ペア:

[(1, 39920121), (3, 13306707), (9, 4435569), (19, 2101059), (27, 1478523), (57, 700353), (81, 492841), (171, 233451), (513, 77817), (1539, 25939)]