161777421

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{853}}^1\times {\mathrm{1621}}^1$

素因数の和:2493

約数の個数: 24

約数和(自身を含む): 252104216

約数和(自身を除く): 90326795

約数列:

[1, 3, 9, 13, 39, 117, 853, 1621, 2559, 4863, 7677, 11089, 14589, 21073, 33267, 63219, 99801, 189657, 1382713, 4148139, 12444417, 17975269, 53925807, 161777421]

約数ペア:

[(1, 161777421), (3, 53925807), (9, 17975269), (13, 12444417), (39, 4148139), (117, 1382713), (853, 189657), (1621, 99801), (2559, 63219), (4863, 33267), (7677, 21073), (11089, 14589)]