287776989

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{2843}}^1$

素因数の和:3038

約数の個数: 32

約数和(自身を含む): 447759360

約数和(自身を除く): 159982371

約数列:

[1, 3, 9, 23, 27, 69, 163, 207, 489, 621, 1467, 2843, 3749, 4401, 8529, 11247, 25587, 33741, 65389, 76761, 101223, 196167, 463409, 588501, 1390227, 1765503, 4170681, 10658407, 12512043, 31975221, 95925663, 287776989]

約数ペア:

[(1, 287776989), (3, 95925663), (9, 31975221), (23, 12512043), (27, 10658407), (69, 4170681), (163, 1765503), (207, 1390227), (489, 588501), (621, 463409), (1467, 196167), (2843, 101223), (3749, 76761), (4401, 65389), (8529, 33741), (11247, 25587)]