12681981

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{36131}}^1$

素因数の和:36153

約数の個数: 16

約数和(自身を含む): 20233920

約数和(自身を除く): 7551939

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 36131, 108393, 325179, 469703, 975537, 1409109, 4227327, 12681981]

約数ペア:

[(1, 12681981), (3, 4227327), (9, 1409109), (13, 975537), (27, 469703), (39, 325179), (117, 108393), (351, 36131)]