2171457

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1$

素因数の和:261

約数の個数: 24

約数和(自身を含む): 3331328

約数和(自身を除く): 1159871

約数列:

[1, 3, 9, 31, 43, 93, 129, 181, 279, 387, 543, 1333, 1629, 3999, 5611, 7783, 11997, 16833, 23349, 50499, 70047, 241273, 723819, 2171457]

約数ペア:

[(1, 2171457), (3, 723819), (9, 241273), (31, 70047), (43, 50499), (93, 23349), (129, 16833), (181, 11997), (279, 7783), (387, 5611), (543, 3999), (1333, 1629)]