12723915

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{19727}}^1$

素因数の和:19778

約数の個数: 16

約数和(自身を含む): 20832768

約数和(自身を除く): 8108853

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 19727, 59181, 98635, 295905, 848261, 2544783, 4241305, 12723915]

約数ペア:

[(1, 12723915), (3, 4241305), (5, 2544783), (15, 848261), (43, 295905), (129, 98635), (215, 59181), (645, 19727)]