1620369

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1$

素因数の和:181

約数の個数: 24

約数和(自身を含む): 2471040

約数和(自身を除く): 850671

約数列:

[1, 3, 9, 43, 53, 79, 129, 159, 237, 387, 477, 711, 2279, 3397, 4187, 6837, 10191, 12561, 20511, 30573, 37683, 180041, 540123, 1620369]

約数ペア:

[(1, 1620369), (3, 540123), (9, 180041), (43, 37683), (53, 30573), (79, 20511), (129, 12561), (159, 10191), (237, 6837), (387, 4187), (477, 3397), (711, 2279)]