68641221

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{8287}}^1$

素因数の和:8552

約数の個数: 16

約数和(自身を含む): 100251648

約数和(自身を除く): 31610427

約数列:

[1, 3, 11, 33, 251, 753, 2761, 8283, 8287, 24861, 91157, 273471, 2080037, 6240111, 22880407, 68641221]

約数ペア:

[(1, 68641221), (3, 22880407), (11, 6240111), (33, 2080037), (251, 273471), (753, 91157), (2761, 24861), (8283, 8287)]