2808855

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{241}}^1$

素因数の和:296

約数の個数: 48

約数和(自身を含む): 5738304

約数和(自身を除く): 2929449

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 37, 45, 63, 105, 111, 185, 241, 259, 315, 333, 555, 723, 777, 1205, 1295, 1665, 1687, 2169, 2331, 3615, 3885, 5061, 8435, 8917, 10845, 11655, 15183, 25305, 26751, 44585, 62419, 75915, 80253, 133755, 187257, 312095, 401265, 561771, 936285, 2808855]

約数ペア:

[(1, 2808855), (3, 936285), (5, 561771), (7, 401265), (9, 312095), (15, 187257), (21, 133755), (35, 80253), (37, 75915), (45, 62419), (63, 44585), (105, 26751), (111, 25305), (185, 15183), (241, 11655), (259, 10845), (315, 8917), (333, 8435), (555, 5061), (723, 3885), (777, 3615), (1205, 2331), (1295, 2169), (1665, 1687)]