28237005

素因数分解:

$3^4\times 5^1\times {\mathrm{113}}^1\times {\mathrm{617}}^1$

素因数の和:747

約数の個数: 40

約数和(自身を含む): 51148152

約数和(自身を除く): 22911147

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 113, 135, 339, 405, 565, 617, 1017, 1695, 1851, 3051, 3085, 5085, 5553, 9153, 9255, 15255, 16659, 27765, 45765, 49977, 69721, 83295, 209163, 249885, 348605, 627489, 1045815, 1882467, 3137445, 5647401, 9412335, 28237005]

約数ペア:

[(1, 28237005), (3, 9412335), (5, 5647401), (9, 3137445), (15, 1882467), (27, 1045815), (45, 627489), (81, 348605), (113, 249885), (135, 209163), (339, 83295), (405, 69721), (565, 49977), (617, 45765), (1017, 27765), (1695, 16659), (1851, 15255), (3051, 9255), (3085, 9153), (5085, 5553)]