53506521

素因数分解:

$3^3\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{269}}^1$

素因数の和:470

約数の個数: 32

約数和(自身を含む): 81648000

約数和(自身を除く): 28141479

約数列:

[1, 3, 9, 27, 53, 139, 159, 269, 417, 477, 807, 1251, 1431, 2421, 3753, 7263, 7367, 14257, 22101, 37391, 42771, 66303, 112173, 128313, 198909, 336519, 384939, 1009557, 1981723, 5945169, 17835507, 53506521]

約数ペア:

[(1, 53506521), (3, 17835507), (9, 5945169), (27, 1981723), (53, 1009557), (139, 384939), (159, 336519), (269, 198909), (417, 128313), (477, 112173), (807, 66303), (1251, 42771), (1431, 37391), (2421, 22101), (3753, 14257), (7263, 7367)]