289597761

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{359}}^1\times {\mathrm{433}}^1$

素因数の和:827

約数の個数: 40

約数和(自身を含む): 453720960

約数和(自身を除く): 164123199

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 359, 433, 621, 1077, 1299, 1863, 3231, 3897, 8257, 9693, 9959, 11691, 24771, 29079, 29877, 35073, 74313, 89631, 155447, 222939, 268893, 466341, 668817, 806679, 1399023, 3575281, 4197069, 10725843, 12591207, 32177529, 96532587, 289597761]

約数ペア:

[(1, 289597761), (3, 96532587), (9, 32177529), (23, 12591207), (27, 10725843), (69, 4197069), (81, 3575281), (207, 1399023), (359, 806679), (433, 668817), (621, 466341), (1077, 268893), (1299, 222939), (1863, 155447), (3231, 89631), (3897, 74313), (8257, 35073), (9693, 29877), (9959, 29079), (11691, 24771)]