206870409

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{439}}^1\times {\mathrm{563}}^1$

素因数の和:1042

約数の個数: 32

約数和(自身を含む): 317644800

約数和(自身を除く): 110774391

約数列:

[1, 3, 9, 27, 31, 93, 279, 439, 563, 837, 1317, 1689, 3951, 5067, 11853, 13609, 15201, 17453, 40827, 52359, 122481, 157077, 247157, 367443, 471231, 741471, 2224413, 6673239, 7661867, 22985601, 68956803, 206870409]

約数ペア:

[(1, 206870409), (3, 68956803), (9, 22985601), (27, 7661867), (31, 6673239), (93, 2224413), (279, 741471), (439, 471231), (563, 367443), (837, 247157), (1317, 157077), (1689, 122481), (3951, 52359), (5067, 40827), (11853, 17453), (13609, 15201)]