31379589

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{311}}^1$

素因数の和:458

約数の個数: 32

約数和(自身を含む): 48372480

約数和(自身を除く): 16992891

約数列:

[1, 3, 9, 27, 37, 101, 111, 303, 311, 333, 909, 933, 999, 2727, 2799, 3737, 8397, 11211, 11507, 31411, 33633, 34521, 94233, 100899, 103563, 282699, 310689, 848097, 1162207, 3486621, 10459863, 31379589]

約数ペア:

[(1, 31379589), (3, 10459863), (9, 3486621), (27, 1162207), (37, 848097), (101, 310689), (111, 282699), (303, 103563), (311, 100899), (333, 94233), (909, 34521), (933, 33633), (999, 31411), (2727, 11507), (2799, 11211), (3737, 8397)]