81518199

素因数分解:

$3^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{9491}}^1$

素因数の和:9910

約数の個数: 16

約数和(自身を含む): 124535040

約数和(自身を除く): 43016841

約数列:

[1, 3, 7, 21, 409, 1227, 2863, 8589, 9491, 28473, 66437, 199311, 3881819, 11645457, 27172733, 81518199]

約数ペア:

[(1, 81518199), (3, 27172733), (7, 11645457), (21, 3881819), (409, 199311), (1227, 66437), (2863, 28473), (8589, 9491)]