20171378991

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{269}}^1\times {\mathrm{4243}}^1$

素因数の和:4695

約数の個数: 32

約数和(自身を含む): 27831133440

約数和(自身を除く): 7659754449

約数列:

[1, 3, 43, 129, 137, 269, 411, 807, 4243, 5891, 11567, 12729, 17673, 34701, 36853, 110559, 182449, 547347, 581291, 1141367, 1584679, 1743873, 3424101, 4754037, 24995513, 49078781, 74986539, 147236343, 156367279, 469101837, 6723792997, 20171378991]

約数ペア:

[(1, 20171378991), (3, 6723792997), (43, 469101837), (129, 156367279), (137, 147236343), (269, 74986539), (411, 49078781), (807, 24995513), (4243, 4754037), (5891, 3424101), (11567, 1743873), (12729, 1584679), (17673, 1141367), (34701, 581291), (36853, 547347), (110559, 182449)]