40808817

素因数分解:

$3^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:159

約数の個数: 72

約数和(自身を含む): 73323432

約数和(自身を除く): 32514615

約数列:

[1, 3, 7, 9, 21, 37, 41, 49, 61, 63, 111, 123, 147, 183, 259, 287, 333, 369, 427, 441, 549, 777, 861, 1281, 1517, 1813, 2009, 2257, 2331, 2501, 2583, 2989, 3843, 4551, 5439, 6027, 6771, 7503, 8967, 10619, 13653, 15799, 16317, 17507, 18081, 20313, 22509, 26901, 31857, 47397, 52521, 74333, 92537, 95571, 110593, 122549, 142191, 157563, 222999, 277611, 331779, 367647, 647759, 668997, 832833, 995337, 1102941, 1943277, 4534313, 5829831, 13602939, 40808817]

約数ペア:

[(1, 40808817), (3, 13602939), (7, 5829831), (9, 4534313), (21, 1943277), (37, 1102941), (41, 995337), (49, 832833), (61, 668997), (63, 647759), (111, 367647), (123, 331779), (147, 277611), (183, 222999), (259, 157563), (287, 142191), (333, 122549), (369, 110593), (427, 95571), (441, 92537), (549, 74333), (777, 52521), (861, 47397), (1281, 31857), (1517, 26901), (1813, 22509), (2009, 20313), (2257, 18081), (2331, 17507), (2501, 16317), (2583, 15799), (2989, 13653), (3843, 10619), (4551, 8967), (5439, 7503), (6027, 6771)]