12997665

素因数分解:

$3^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{479}}^1$

素因数の和:563

約数の個数: 40

約数和(自身を含む): 23696640

約数和(自身を除く): 10698975

約数列:

[1, 3, 5, 9, 15, 27, 45, 67, 81, 135, 201, 335, 405, 479, 603, 1005, 1437, 1809, 2395, 3015, 4311, 5427, 7185, 9045, 12933, 21555, 27135, 32093, 38799, 64665, 96279, 160465, 193995, 288837, 481395, 866511, 1444185, 2599533, 4332555, 12997665]

約数ペア:

[(1, 12997665), (3, 4332555), (5, 2599533), (9, 1444185), (15, 866511), (27, 481395), (45, 288837), (67, 193995), (81, 160465), (135, 96279), (201, 64665), (335, 38799), (405, 32093), (479, 27135), (603, 21555), (1005, 12933), (1437, 9045), (1809, 7185), (2395, 5427), (3015, 4311)]