7917399

素因数分解:

$3^3\times 7^1\times {\mathrm{163}}^1\times {\mathrm{257}}^1$

素因数の和:436

約数の個数: 32

約数和(自身を含む): 13539840

約数和(自身を除く): 5622441

約数列:

[1, 3, 7, 9, 21, 27, 63, 163, 189, 257, 489, 771, 1141, 1467, 1799, 2313, 3423, 4401, 5397, 6939, 10269, 16191, 30807, 41891, 48573, 125673, 293237, 377019, 879711, 1131057, 2639133, 7917399]

約数ペア:

[(1, 7917399), (3, 2639133), (7, 1131057), (9, 879711), (21, 377019), (27, 293237), (63, 125673), (163, 48573), (189, 41891), (257, 30807), (489, 16191), (771, 10269), (1141, 6939), (1467, 5397), (1799, 4401), (2313, 3423)]