16173909

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1999}}^1$

素因数の和:2065

約数の個数: 24

約数和(自身を含む): 24960000

約数和(自身を除く): 8786091

約数列:

[1, 3, 9, 29, 31, 87, 93, 261, 279, 899, 1999, 2697, 5997, 8091, 17991, 57971, 61969, 173913, 185907, 521739, 557721, 1797101, 5391303, 16173909]

約数ペア:

[(1, 16173909), (3, 5391303), (9, 1797101), (29, 557721), (31, 521739), (87, 185907), (93, 173913), (261, 61969), (279, 57971), (899, 17991), (1999, 8091), (2697, 5997)]