860139

素因数分解:

$3^4\times 7^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1$

素因数の和:97

約数の個数: 40

約数和(自身を含む): 1544928

約数和(自身を除く): 684789

約数列:

[1, 3, 7, 9, 21, 27, 37, 41, 63, 81, 111, 123, 189, 259, 287, 333, 369, 567, 777, 861, 999, 1107, 1517, 2331, 2583, 2997, 3321, 4551, 6993, 7749, 10619, 13653, 20979, 23247, 31857, 40959, 95571, 122877, 286713, 860139]

約数ペア:

[(1, 860139), (3, 286713), (7, 122877), (9, 95571), (21, 40959), (27, 31857), (37, 23247), (41, 20979), (63, 13653), (81, 10619), (111, 7749), (123, 6993), (189, 4551), (259, 3321), (287, 2997), (333, 2583), (369, 2331), (567, 1517), (777, 1107), (861, 999)]