217680318

素因数分解:

$2^1\times 3^3\times {\mathrm{4031117}}^1$

素因数の和:4031128

約数の個数: 16

約数和(自身を含む): 483734160

約数和(自身を除く): 266053842

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 4031117, 8062234, 12093351, 24186702, 36280053, 72560106, 108840159, 217680318]

約数ペア:

[(1, 217680318), (2, 108840159), (3, 72560106), (6, 36280053), (9, 24186702), (18, 12093351), (27, 8062234), (54, 4031117)]