210913281

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{3001}}^1$

素因数の和:3166

約数の個数: 32

約数和(自身を含む): 331420800

約数和(自身を除く): 120507519

約数列:

[1, 3, 9, 19, 27, 57, 137, 171, 411, 513, 1233, 2603, 3001, 3699, 7809, 9003, 23427, 27009, 57019, 70281, 81027, 171057, 411137, 513171, 1233411, 1539513, 3700233, 7811603, 11100699, 23434809, 70304427, 210913281]

約数ペア:

[(1, 210913281), (3, 70304427), (9, 23434809), (19, 11100699), (27, 7811603), (57, 3700233), (137, 1539513), (171, 1233411), (411, 513171), (513, 411137), (1233, 171057), (2603, 81027), (3001, 70281), (3699, 57019), (7809, 27009), (9003, 23427)]