999621

素因数分解:

$3^4\times 7^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:103

約数の個数: 40

約数和(自身を含む): 1788864

約数和(自身を除く): 789243

約数列:

[1, 3, 7, 9, 21, 27, 41, 43, 63, 81, 123, 129, 189, 287, 301, 369, 387, 567, 861, 903, 1107, 1161, 1763, 2583, 2709, 3321, 3483, 5289, 7749, 8127, 12341, 15867, 23247, 24381, 37023, 47601, 111069, 142803, 333207, 999621]

約数ペア:

[(1, 999621), (3, 333207), (7, 142803), (9, 111069), (21, 47601), (27, 37023), (41, 24381), (43, 23247), (63, 15867), (81, 12341), (123, 8127), (129, 7749), (189, 5289), (287, 3483), (301, 3321), (369, 2709), (387, 2583), (567, 1763), (861, 1161), (903, 1107)]