6420519

素因数分解:

$3^3\times 7^2\times {\mathrm{23}}^1\times {\mathrm{211}}^1$

素因数の和:257

約数の個数: 48

約数和(自身を含む): 11600640

約数和(自身を除く): 5180121

約数列:

[1, 3, 7, 9, 21, 23, 27, 49, 63, 69, 147, 161, 189, 207, 211, 441, 483, 621, 633, 1127, 1323, 1449, 1477, 1899, 3381, 4347, 4431, 4853, 5697, 10143, 10339, 13293, 14559, 30429, 31017, 33971, 39879, 43677, 93051, 101913, 131031, 237797, 279153, 305739, 713391, 917217, 2140173, 6420519]

約数ペア:

[(1, 6420519), (3, 2140173), (7, 917217), (9, 713391), (21, 305739), (23, 279153), (27, 237797), (49, 131031), (63, 101913), (69, 93051), (147, 43677), (161, 39879), (189, 33971), (207, 31017), (211, 30429), (441, 14559), (483, 13293), (621, 10339), (633, 10143), (1127, 5697), (1323, 4853), (1449, 4431), (1477, 4347), (1899, 3381)]