7219521

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{199}}^1$

素因数の和:373

約数の個数: 24

約数和(自身を含む): 10920000

約数和(自身を除く): 3700479

約数列:

[1, 3, 9, 29, 87, 139, 199, 261, 417, 597, 1251, 1791, 4031, 5771, 12093, 17313, 27661, 36279, 51939, 82983, 248949, 802169, 2406507, 7219521]

約数ペア:

[(1, 7219521), (3, 2406507), (9, 802169), (29, 248949), (87, 82983), (139, 51939), (199, 36279), (261, 27661), (417, 17313), (597, 12093), (1251, 5771), (1791, 4031)]