206301981

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{20921}}^1$

素因数の和:21116

約数の個数: 16

約数和(自身を含む): 291234240

約数和(自身を除く): 84932259

約数列:

[1, 3, 19, 57, 173, 519, 3287, 9861, 20921, 62763, 397499, 1192497, 3619333, 10857999, 68767327, 206301981]

約数ペア:

[(1, 206301981), (3, 68767327), (19, 10857999), (57, 3619333), (173, 1192497), (519, 397499), (3287, 62763), (9861, 20921)]