280236429

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{367}}^1\times {\mathrm{857}}^1$

素因数の和:1247

約数の個数: 40

約数和(自身を含む): 458460288

約数和(自身を除く): 178223859

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 367, 857, 891, 1101, 2571, 3303, 4037, 7713, 9427, 9909, 12111, 23139, 28281, 29727, 36333, 69417, 84843, 108999, 254529, 314519, 326997, 763587, 943557, 2830671, 3459709, 8492013, 10379127, 25476039, 31137381, 93412143, 280236429]

約数ペア:

[(1, 280236429), (3, 93412143), (9, 31137381), (11, 25476039), (27, 10379127), (33, 8492013), (81, 3459709), (99, 2830671), (297, 943557), (367, 763587), (857, 326997), (891, 314519), (1101, 254529), (2571, 108999), (3303, 84843), (4037, 69417), (7713, 36333), (9427, 29727), (9909, 28281), (12111, 23139)]