28261395

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{36943}}^1$

素因数の和:36971

約数の個数: 24

約数和(自身を含む): 51869376

約数和(自身を除く): 23607981

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 36943, 110829, 184715, 332487, 554145, 628031, 1662435, 1884093, 3140155, 5652279, 9420465, 28261395]

約数ペア:

[(1, 28261395), (3, 9420465), (5, 5652279), (9, 3140155), (15, 1884093), (17, 1662435), (45, 628031), (51, 554145), (85, 332487), (153, 184715), (255, 110829), (765, 36943)]