917289989

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{347}}^1\times {\mathrm{3121}}^1$

素因数の和:3497

約数の個数: 24

約数和(自身を含む): 1155989184

約数和(自身を除く): 238699195

約数列:

[1, 7, 11, 77, 121, 347, 847, 2429, 3121, 3817, 21847, 26719, 34331, 41987, 240317, 293909, 377641, 1082987, 2643487, 7580909, 11912857, 83389999, 131041427, 917289989]

約数ペア:

[(1, 917289989), (7, 131041427), (11, 83389999), (77, 11912857), (121, 7580909), (347, 2643487), (847, 1082987), (2429, 377641), (3121, 293909), (3817, 240317), (21847, 41987), (26719, 34331)]