1288701

素因数分解:

$3^2\times {\mathrm{31}}^2\times {\mathrm{149}}^1$

素因数の和:217

約数の個数: 18

約数和(自身を含む): 1936350

約数和(自身を除く): 647649

約数列:

[1, 3, 9, 31, 93, 149, 279, 447, 961, 1341, 2883, 4619, 8649, 13857, 41571, 143189, 429567, 1288701]

約数ペア:

[(1, 1288701), (3, 429567), (9, 143189), (31, 41571), (93, 13857), (149, 8649), (279, 4619), (447, 2883), (961, 1341)]