31129731

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{479}}^1$

素因数の和:600

約数の個数: 32

約数和(自身を含む): 48384000

約数和(自身を除く): 17254269

約数列:

[1, 3, 9, 27, 29, 83, 87, 249, 261, 479, 747, 783, 1437, 2241, 2407, 4311, 7221, 12933, 13891, 21663, 39757, 41673, 64989, 119271, 125019, 357813, 375057, 1073439, 1152953, 3458859, 10376577, 31129731]

約数ペア:

[(1, 31129731), (3, 10376577), (9, 3458859), (27, 1152953), (29, 1073439), (83, 375057), (87, 357813), (249, 125019), (261, 119271), (479, 64989), (747, 41673), (783, 39757), (1437, 21663), (2241, 13891), (2407, 12933), (4311, 7221)]