779121

素因数分解:

$3^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{149}}^1$

素因数の和:245

約数の個数: 24

約数和(自身を含む): 1310400

約数和(自身を除く): 531279

約数列:

[1, 3, 7, 9, 21, 63, 83, 149, 249, 447, 581, 747, 1043, 1341, 1743, 3129, 5229, 9387, 12367, 37101, 86569, 111303, 259707, 779121]

約数ペア:

[(1, 779121), (3, 259707), (7, 111303), (9, 86569), (21, 37101), (63, 12367), (83, 9387), (149, 5229), (249, 3129), (447, 1743), (581, 1341), (747, 1043)]