78899709

素因数分解:

$3^1\times 7^1\times {\mathrm{647}}^1\times {\mathrm{5807}}^1$

素因数の和:6464

約数の個数: 16

約数和(自身を含む): 120434688

約数和(自身を除く): 41534979

約数列:

[1, 3, 7, 21, 647, 1941, 4529, 5807, 13587, 17421, 40649, 121947, 3757129, 11271387, 26299903, 78899709]

約数ペア:

[(1, 78899709), (3, 26299903), (7, 11271387), (21, 3757129), (647, 121947), (1941, 40649), (4529, 17421), (5807, 13587)]