28161441

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{40637}}^1$

素因数の和:40661

約数の個数: 24

約数和(自身を含む): 50716224

約数和(自身を除く): 22554783

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 231, 693, 40637, 121911, 284459, 365733, 447007, 853377, 1341021, 2560131, 3129049, 4023063, 9387147, 28161441]

約数ペア:

[(1, 28161441), (3, 9387147), (7, 4023063), (9, 3129049), (11, 2560131), (21, 1341021), (33, 853377), (63, 447007), (77, 365733), (99, 284459), (231, 121911), (693, 40637)]