80997969

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{281}}^1\times {\mathrm{389}}^1$

素因数の和:705

約数の個数: 32

約数和(自身を含む): 123177600

約数和(自身を除く): 42179631

約数列:

[1, 3, 13, 19, 39, 57, 247, 281, 389, 741, 843, 1167, 3653, 5057, 5339, 7391, 10959, 15171, 16017, 22173, 69407, 96083, 109309, 208221, 288249, 327927, 1421017, 2076871, 4263051, 6230613, 26999323, 80997969]

約数ペア:

[(1, 80997969), (3, 26999323), (13, 6230613), (19, 4263051), (39, 2076871), (57, 1421017), (247, 327927), (281, 288249), (389, 208221), (741, 109309), (843, 96083), (1167, 69407), (3653, 22173), (5057, 16017), (5339, 15171), (7391, 10959)]