290437893

素因数分解:

$3^4\times {\mathrm{719}}^1\times {\mathrm{4987}}^1$

素因数の和:5718

約数の個数: 20

約数和(自身を含む): 434554560

約数和(自身を除く): 144116667

約数列:

[1, 3, 9, 27, 81, 719, 2157, 4987, 6471, 14961, 19413, 44883, 58239, 134649, 403947, 3585653, 10756959, 32270877, 96812631, 290437893]

約数ペア:

[(1, 290437893), (3, 96812631), (9, 32270877), (27, 10756959), (81, 3585653), (719, 403947), (2157, 134649), (4987, 58239), (6471, 44883), (14961, 19413)]