7828947

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1801}}^1$

素因数の和:1840

約数の個数: 32

約数和(自身を含む): 13839360

約数和(自身を除く): 6010413

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 161, 189, 207, 483, 621, 1449, 1801, 4347, 5403, 12607, 16209, 37821, 41423, 48627, 113463, 124269, 289961, 340389, 372807, 869883, 1118421, 2609649, 7828947]

約数ペア:

[(1, 7828947), (3, 2609649), (7, 1118421), (9, 869883), (21, 372807), (23, 340389), (27, 289961), (63, 124269), (69, 113463), (161, 48627), (189, 41423), (207, 37821), (483, 16209), (621, 12607), (1449, 5403), (1801, 4347)]