208091895

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{66377}}^1$

素因数の和:66415

約数の個数: 32

約数和(自身を含む): 382337280

約数和(自身を除く): 174245385

約数列:

[1, 3, 5, 11, 15, 19, 33, 55, 57, 95, 165, 209, 285, 627, 1045, 3135, 66377, 199131, 331885, 730147, 995655, 1261163, 2190441, 3650735, 3783489, 6305815, 10952205, 13872793, 18917445, 41618379, 69363965, 208091895]

約数ペア:

[(1, 208091895), (3, 69363965), (5, 41618379), (11, 18917445), (15, 13872793), (19, 10952205), (33, 6305815), (55, 3783489), (57, 3650735), (95, 2190441), (165, 1261163), (209, 995655), (285, 730147), (627, 331885), (1045, 199131), (3135, 66377)]