212856279

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{409}}^1\times {\mathrm{3691}}^1$

素因数の和:4150

約数の個数: 16

約数和(自身を含む): 290634240

約数和(自身を除く): 77777961

約数列:

[1, 3, 47, 141, 409, 1227, 3691, 11073, 19223, 57669, 173477, 520431, 1509619, 4528857, 70952093, 212856279]

約数ペア:

[(1, 212856279), (3, 70952093), (47, 4528857), (141, 1509619), (409, 520431), (1227, 173477), (3691, 57669), (11073, 19223)]