16221231

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{7297}}^1$

素因数の和:7335

約数の個数: 24

約数和(自身を含む): 26564720

約数和(自身を除く): 10343489

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 741, 2223, 7297, 21891, 65673, 94861, 138643, 284583, 415929, 853749, 1247787, 1802359, 5407077, 16221231]

約数ペア:

[(1, 16221231), (3, 5407077), (9, 1802359), (13, 1247787), (19, 853749), (39, 415929), (57, 284583), (117, 138643), (171, 94861), (247, 65673), (741, 21891), (2223, 7297)]