217408971

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{327917}}^1$

素因数の和:327950

約数の個数: 16

約数和(自身を含む): 330541344

約数和(自身を除く): 113132373

約数列:

[1, 3, 13, 17, 39, 51, 221, 663, 327917, 983751, 4262921, 5574589, 12788763, 16723767, 72469657, 217408971]

約数ペア:

[(1, 217408971), (3, 72469657), (13, 16723767), (17, 12788763), (39, 5574589), (51, 4262921), (221, 983751), (663, 327917)]