207804987

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{16001}}^1$

素因数の和:16060

約数の個数: 32

約数和(自身を含む): 340522560

約数和(自身を除く): 132717573

約数列:

[1, 3, 9, 13, 27, 37, 39, 111, 117, 333, 351, 481, 999, 1443, 4329, 12987, 16001, 48003, 144009, 208013, 432027, 592037, 624039, 1776111, 1872117, 5328333, 5616351, 7696481, 15984999, 23089443, 69268329, 207804987]

約数ペア:

[(1, 207804987), (3, 69268329), (9, 23089443), (13, 15984999), (27, 7696481), (37, 5616351), (39, 5328333), (111, 1872117), (117, 1776111), (333, 624039), (351, 592037), (481, 432027), (999, 208013), (1443, 144009), (4329, 48003), (12987, 16001)]