89970993

素因数分解:

$3^9\times 7^1\times {\mathrm{653}}^1$

素因数の和:687

約数の個数: 40

約数和(自身を含む): 154469568

約数和(自身を除く): 64498575

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 653, 729, 1701, 1959, 2187, 4571, 5103, 5877, 6561, 13713, 15309, 17631, 19683, 41139, 45927, 52893, 123417, 137781, 158679, 370251, 476037, 1110753, 1428111, 3332259, 4284333, 9996777, 12852999, 29990331, 89970993]

約数ペア:

[(1, 89970993), (3, 29990331), (7, 12852999), (9, 9996777), (21, 4284333), (27, 3332259), (63, 1428111), (81, 1110753), (189, 476037), (243, 370251), (567, 158679), (653, 137781), (729, 123417), (1701, 52893), (1959, 45927), (2187, 41139), (4571, 19683), (5103, 17631), (5877, 15309), (6561, 13713)]