28218555

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{36887}}^1$

素因数の和:36915

約数の個数: 24

約数和(自身を含む): 51790752

約数和(自身を除く): 23572197

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 36887, 110661, 184435, 331983, 553305, 627079, 1659915, 1881237, 3135395, 5643711, 9406185, 28218555]

約数ペア:

[(1, 28218555), (3, 9406185), (5, 5643711), (9, 3135395), (15, 1881237), (17, 1659915), (45, 627079), (51, 553305), (85, 331983), (153, 184435), (255, 110661), (765, 36887)]