28307619

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{241}}^1\times {\mathrm{421}}^1$

素因数の和:699

約数の個数: 24

約数和(自身を含む): 42483584

約数和(自身を除く): 14175965

約数列:

[1, 3, 9, 31, 93, 241, 279, 421, 723, 1263, 2169, 3789, 7471, 13051, 22413, 39153, 67239, 101461, 117459, 304383, 913149, 3145291, 9435873, 28307619]

約数ペア:

[(1, 28307619), (3, 9435873), (9, 3145291), (31, 913149), (93, 304383), (241, 117459), (279, 101461), (421, 67239), (723, 39153), (1263, 22413), (2169, 13051), (3789, 7471)]