28172277

素因数分解:

$3^2\times 7^1\times {\mathrm{447179}}^1$

素因数の和:447192

約数の個数: 12

約数和(自身を含む): 46506720

約数和(自身を除く): 18334443

約数列:

[1, 3, 7, 9, 21, 63, 447179, 1341537, 3130253, 4024611, 9390759, 28172277]

約数ペア:

[(1, 28172277), (3, 9390759), (7, 4024611), (9, 3130253), (21, 1341537), (63, 447179)]