12980253

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{383}}^1$

素因数の和:489

約数の個数: 32

約数和(自身を含む): 20643840

約数和(自身を除く): 7663587

約数列:

[1, 3, 11, 13, 33, 39, 79, 143, 237, 383, 429, 869, 1027, 1149, 2607, 3081, 4213, 4979, 11297, 12639, 14937, 30257, 33891, 54769, 90771, 164307, 332827, 393341, 998481, 1180023, 4326751, 12980253]

約数ペア:

[(1, 12980253), (3, 4326751), (11, 1180023), (13, 998481), (33, 393341), (39, 332827), (79, 164307), (143, 90771), (237, 54769), (383, 33891), (429, 30257), (869, 14937), (1027, 12639), (1149, 11297), (2607, 4979), (3081, 4213)]