7890399

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{857}}^1$

素因数の和:908

約数の個数: 32

約数和(自身を含む): 13178880

約数和(自身を除く): 5288481

約数列:

[1, 3, 9, 11, 27, 31, 33, 93, 99, 279, 297, 341, 837, 857, 1023, 2571, 3069, 7713, 9207, 9427, 23139, 26567, 28281, 79701, 84843, 239103, 254529, 292237, 717309, 876711, 2630133, 7890399]

約数ペア:

[(1, 7890399), (3, 2630133), (9, 876711), (11, 717309), (27, 292237), (31, 254529), (33, 239103), (93, 84843), (99, 79701), (279, 28281), (297, 26567), (341, 23139), (837, 9427), (857, 9207), (1023, 7713), (2571, 3069)]