289772007

素因数分解:

$3^1\times 7^1\times {\mathrm{83}}^2\times {\mathrm{2003}}^1$

素因数の和:2179

約数の個数: 24

約数和(自身を含む): 447164544

約数和(自身を除く): 157392537

約数列:

[1, 3, 7, 21, 83, 249, 581, 1743, 2003, 6009, 6889, 14021, 20667, 42063, 48223, 144669, 166249, 498747, 1163743, 3491229, 13798667, 41396001, 96590669, 289772007]

約数ペア:

[(1, 289772007), (3, 96590669), (7, 41396001), (21, 13798667), (83, 3491229), (249, 1163743), (581, 498747), (1743, 166249), (2003, 144669), (6009, 48223), (6889, 42063), (14021, 20667)]