28604121

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{3613}}^1$

素因数の和:3665

約数の個数: 32

約数和(自身を含む): 48572160

約数和(自身を除く): 19968039

約数列:

[1, 3, 7, 13, 21, 29, 39, 87, 91, 203, 273, 377, 609, 1131, 2639, 3613, 7917, 10839, 25291, 46969, 75873, 104777, 140907, 314331, 328783, 733439, 986349, 1362101, 2200317, 4086303, 9534707, 28604121]

約数ペア:

[(1, 28604121), (3, 9534707), (7, 4086303), (13, 2200317), (21, 1362101), (29, 986349), (39, 733439), (87, 328783), (91, 314331), (203, 140907), (273, 104777), (377, 75873), (609, 46969), (1131, 25291), (2639, 10839), (3613, 7917)]