668349

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1$

素因数の和:217

約数の個数: 24

約数和(自身を含む): 1084512

約数和(自身を除く): 416163

約数列:

[1, 3, 9, 11, 33, 43, 99, 129, 157, 387, 471, 473, 1413, 1419, 1727, 4257, 5181, 6751, 15543, 20253, 60759, 74261, 222783, 668349]

約数ペア:

[(1, 668349), (3, 222783), (9, 74261), (11, 60759), (33, 20253), (43, 15543), (99, 6751), (129, 5181), (157, 4257), (387, 1727), (471, 1419), (473, 1413)]