1666665

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1$

素因数の和:79

約数の個数: 96

約数和(自身を含む): 3983616

約数和(自身を除く): 2316951

約数列:

[1, 3, 5, 7, 9, 11, 13, 15, 21, 33, 35, 37, 39, 45, 55, 63, 65, 77, 91, 99, 105, 111, 117, 143, 165, 185, 195, 231, 259, 273, 315, 333, 385, 407, 429, 455, 481, 495, 555, 585, 693, 715, 777, 819, 1001, 1155, 1221, 1287, 1295, 1365, 1443, 1665, 2035, 2145, 2331, 2405, 2849, 3003, 3367, 3465, 3663, 3885, 4095, 4329, 5005, 5291, 6105, 6435, 7215, 8547, 9009, 10101, 11655, 14245, 15015, 15873, 16835, 18315, 21645, 25641, 26455, 30303, 37037, 42735, 45045, 47619, 50505, 79365, 111111, 128205, 151515, 185185, 238095, 333333, 555555, 1666665]

約数ペア:

[(1, 1666665), (3, 555555), (5, 333333), (7, 238095), (9, 185185), (11, 151515), (13, 128205), (15, 111111), (21, 79365), (33, 50505), (35, 47619), (37, 45045), (39, 42735), (45, 37037), (55, 30303), (63, 26455), (65, 25641), (77, 21645), (91, 18315), (99, 16835), (105, 15873), (111, 15015), (117, 14245), (143, 11655), (165, 10101), (185, 9009), (195, 8547), (231, 7215), (259, 6435), (273, 6105), (315, 5291), (333, 5005), (385, 4329), (407, 4095), (429, 3885), (455, 3663), (481, 3465), (495, 3367), (555, 3003), (585, 2849), (693, 2405), (715, 2331), (777, 2145), (819, 2035), (1001, 1665), (1155, 1443), (1221, 1365), (1287, 1295)]