3931613

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1$

素因数の和:177

約数の個数: 24

約数和(自身を含む): 4979520

約数和(自身を除く): 1047907

約数列:

[1, 7, 19, 41, 49, 103, 133, 287, 721, 779, 931, 1957, 2009, 4223, 5047, 5453, 13699, 29561, 38171, 80237, 95893, 206927, 561659, 3931613]

約数ペア:

[(1, 3931613), (7, 561659), (19, 206927), (41, 95893), (49, 80237), (103, 38171), (133, 29561), (287, 13699), (721, 5453), (779, 5047), (931, 4223), (1957, 2009)]