221605359

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1\times {\mathrm{9491}}^1$

素因数の和:9718

約数の個数: 16

約数和(自身を含む): 304047744

約数和(自身を除く): 82442385

約数列:

[1, 3, 43, 129, 181, 543, 7783, 9491, 23349, 28473, 408113, 1224339, 1717871, 5153613, 73868453, 221605359]

約数ペア:

[(1, 221605359), (3, 73868453), (43, 5153613), (129, 1717871), (181, 1224339), (543, 408113), (7783, 28473), (9491, 23349)]