3995649

素因数分解:

$3^9\times 7^1\times {\mathrm{29}}^1$

素因数の和:63

約数の個数: 40

約数和(自身を含む): 7085760

約数和(自身を除く): 3090111

約数列:

[1, 3, 7, 9, 21, 27, 29, 63, 81, 87, 189, 203, 243, 261, 567, 609, 729, 783, 1701, 1827, 2187, 2349, 5103, 5481, 6561, 7047, 15309, 16443, 19683, 21141, 45927, 49329, 63423, 137781, 147987, 190269, 443961, 570807, 1331883, 3995649]

約数ペア:

[(1, 3995649), (3, 1331883), (7, 570807), (9, 443961), (21, 190269), (27, 147987), (29, 137781), (63, 63423), (81, 49329), (87, 45927), (189, 21141), (203, 19683), (243, 16443), (261, 15309), (567, 7047), (609, 6561), (729, 5481), (783, 5103), (1701, 2349), (1827, 2187)]