121212839

素因数分解:

${\mathrm{11}}^4\times {\mathrm{17}}^1\times {\mathrm{487}}^1$

素因数の和:548

約数の個数: 20

約数和(自身を含む): 141466320

約数和(自身を除く): 20253481

約数列:

[1, 11, 17, 121, 187, 487, 1331, 2057, 5357, 8279, 14641, 22627, 58927, 91069, 248897, 648197, 1001759, 7130167, 11019349, 121212839]

約数ペア:

[(1, 121212839), (11, 11019349), (17, 7130167), (121, 1001759), (187, 648197), (487, 248897), (1331, 91069), (2057, 58927), (5357, 22627), (8279, 14641)]