217071759

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{63527}}^1$

素因数の和:63614

約数の個数: 16

約数和(自身を含む): 311033088

約数和(自身を除く): 93961329

約数列:

[1, 3, 17, 51, 67, 201, 1139, 3417, 63527, 190581, 1079959, 3239877, 4256309, 12768927, 72357253, 217071759]

約数ペア:

[(1, 217071759), (3, 72357253), (17, 12768927), (51, 4256309), (67, 3239877), (201, 1079959), (1139, 190581), (3417, 63527)]