16312239

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{251}}^1$

素因数の和:372

約数の個数: 32

約数和(自身を含む): 25401600

約数和(自身を除く): 9089361

約数列:

[1, 3, 9, 27, 29, 83, 87, 249, 251, 261, 747, 753, 783, 2241, 2259, 2407, 6777, 7221, 7279, 20833, 21663, 21837, 62499, 64989, 65511, 187497, 196533, 562491, 604157, 1812471, 5437413, 16312239]

約数ペア:

[(1, 16312239), (3, 5437413), (9, 1812471), (27, 604157), (29, 562491), (83, 196533), (87, 187497), (249, 65511), (251, 64989), (261, 62499), (747, 21837), (753, 21663), (783, 20833), (2241, 7279), (2259, 7221), (2407, 6777)]