12891870

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{143243}}^1$

素因数の和:143256

約数の個数: 24

約数和(自身を含む): 33519096

約数和(自身を除く): 20627226

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 143243, 286486, 429729, 716215, 859458, 1289187, 1432430, 2148645, 2578374, 4297290, 6445935, 12891870]

約数ペア:

[(1, 12891870), (2, 6445935), (3, 4297290), (5, 2578374), (6, 2148645), (9, 1432430), (10, 1289187), (15, 859458), (18, 716215), (30, 429729), (45, 286486), (90, 143243)]