31658607

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{277}}^1$

素因数の和:389

約数の個数: 40

約数和(自身を含む): 50860656

約数和(自身を除く): 19202049

約数列:

[1, 3, 9, 17, 27, 51, 81, 83, 153, 249, 277, 459, 747, 831, 1377, 1411, 2241, 2493, 4233, 4709, 6723, 7479, 12699, 14127, 22437, 22991, 38097, 42381, 68973, 114291, 127143, 206919, 381429, 390847, 620757, 1172541, 1862271, 3517623, 10552869, 31658607]

約数ペア:

[(1, 31658607), (3, 10552869), (9, 3517623), (17, 1862271), (27, 1172541), (51, 620757), (81, 390847), (83, 381429), (153, 206919), (249, 127143), (277, 114291), (459, 68973), (747, 42381), (831, 38097), (1377, 22991), (1411, 22437), (2241, 14127), (2493, 12699), (4233, 7479), (4709, 6723)]