289968903

素因数分解:

$3^4\times 7^1\times {\mathrm{511409}}^1$

素因数の和:511428

約数の個数: 20

約数和(自身を含む): 495044880

約数和(自身を除く): 205075977

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 511409, 1534227, 3579863, 4602681, 10739589, 13808043, 32218767, 41424129, 96656301, 289968903]

約数ペア:

[(1, 289968903), (3, 96656301), (7, 41424129), (9, 32218767), (21, 13808043), (27, 10739589), (63, 4602681), (81, 3579863), (189, 1534227), (567, 511409)]