2785545

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{239}}^1$

素因数の和:294

約数の個数: 48

約数和(自身を含む): 5690880

約数和(自身を除く): 2905335

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 37, 45, 63, 105, 111, 185, 239, 259, 315, 333, 555, 717, 777, 1195, 1295, 1665, 1673, 2151, 2331, 3585, 3885, 5019, 8365, 8843, 10755, 11655, 15057, 25095, 26529, 44215, 61901, 75285, 79587, 132645, 185703, 309505, 397935, 557109, 928515, 2785545]

約数ペア:

[(1, 2785545), (3, 928515), (5, 557109), (7, 397935), (9, 309505), (15, 185703), (21, 132645), (35, 79587), (37, 75285), (45, 61901), (63, 44215), (105, 26529), (111, 25095), (185, 15057), (239, 11655), (259, 10755), (315, 8843), (333, 8365), (555, 5019), (717, 3885), (777, 3585), (1195, 2331), (1295, 2151), (1665, 1673)]