208590909

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{11743}}^1$

素因数の和:11968

約数の個数: 16

約数和(自身を含む): 288620544

約数和(自身を除く): 80029635

約数列:

[1, 3, 31, 93, 191, 573, 5921, 11743, 17763, 35229, 364033, 1092099, 2242913, 6728739, 69530303, 208590909]

約数ペア:

[(1, 208590909), (3, 69530303), (31, 6728739), (93, 2242913), (191, 1092099), (573, 364033), (5921, 35229), (11743, 17763)]