208086105

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{661}}^1\times {\mathrm{677}}^1$

素因数の和:1377

約数の個数: 32

約数和(自身を含む): 344706048

約数和(自身を除く): 136619943

約数列:

[1, 3, 5, 15, 31, 93, 155, 465, 661, 677, 1983, 2031, 3305, 3385, 9915, 10155, 20491, 20987, 61473, 62961, 102455, 104935, 307365, 314805, 447497, 1342491, 2237485, 6712455, 13872407, 41617221, 69362035, 208086105]

約数ペア:

[(1, 208086105), (3, 69362035), (5, 41617221), (15, 13872407), (31, 6712455), (93, 2237485), (155, 1342491), (465, 447497), (661, 314805), (677, 307365), (1983, 104935), (2031, 102455), (3305, 62961), (3385, 61473), (9915, 20987), (10155, 20491)]