12581331

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{283}}^1$

素因数の和:395

約数の個数: 32

約数和(自身を含む): 20175360

約数和(自身を除く): 7594029

約数列:

[1, 3, 7, 21, 29, 73, 87, 203, 219, 283, 511, 609, 849, 1533, 1981, 2117, 5943, 6351, 8207, 14819, 20659, 24621, 44457, 57449, 61977, 144613, 172347, 433839, 599111, 1797333, 4193777, 12581331]

約数ペア:

[(1, 12581331), (3, 4193777), (7, 1797333), (21, 599111), (29, 433839), (73, 172347), (87, 144613), (203, 61977), (219, 57449), (283, 44457), (511, 24621), (609, 20659), (849, 14819), (1533, 8207), (1981, 6351), (2117, 5943)]