28809957

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{257}}^1$

素因数の和:393

約数の個数: 32

約数和(自身を含む): 43591680

約数和(自身を除く): 14781723

約数列:

[1, 3, 11, 33, 43, 79, 129, 237, 257, 473, 771, 869, 1419, 2607, 2827, 3397, 8481, 10191, 11051, 20303, 33153, 37367, 60909, 112101, 121561, 223333, 364683, 669999, 873029, 2619087, 9603319, 28809957]

約数ペア:

[(1, 28809957), (3, 9603319), (11, 2619087), (33, 873029), (43, 669999), (79, 364683), (129, 223333), (237, 121561), (257, 112101), (473, 60909), (771, 37367), (869, 33153), (1419, 20303), (2607, 11051), (2827, 10191), (3397, 8481)]