217620009

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{347}}^1\times {\mathrm{4099}}^1$

素因数の和:4469

約数の個数: 24

約数和(自身を含む): 333871200

約数和(自身を除く): 116251191

約数列:

[1, 3, 9, 17, 51, 153, 347, 1041, 3123, 4099, 5899, 12297, 17697, 36891, 53091, 69683, 209049, 627147, 1422353, 4267059, 12801177, 24180001, 72540003, 217620009]

約数ペア:

[(1, 217620009), (3, 72540003), (9, 24180001), (17, 12801177), (51, 4267059), (153, 1422353), (347, 627147), (1041, 209049), (3123, 69683), (4099, 53091), (5899, 36891), (12297, 17697)]