218447739

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{475921}}^1$

素因数の和:475947

約数の個数: 16

約数和(自身を含む): 342663840

約数和(自身を除く): 124216101

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 475921, 1427763, 4283289, 8090657, 12849867, 24271971, 72815913, 218447739]

約数ペア:

[(1, 218447739), (3, 72815913), (9, 24271971), (17, 12849867), (27, 8090657), (51, 4283289), (153, 1427763), (459, 475921)]