2011707765

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{647893}}^1$

素因数の和:647930

約数の個数: 32

約数和(自身を含む): 3731869440

約数和(自身を除く): 1720161675

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 115, 135, 207, 345, 621, 1035, 3105, 647893, 1943679, 3239465, 5831037, 9718395, 14901539, 17493111, 29155185, 44704617, 74507695, 87465555, 134113851, 223523085, 402341553, 670569255, 2011707765]

約数ペア:

[(1, 2011707765), (3, 670569255), (5, 402341553), (9, 223523085), (15, 134113851), (23, 87465555), (27, 74507695), (45, 44704617), (69, 29155185), (115, 17493111), (135, 14901539), (207, 9718395), (345, 5831037), (621, 3239465), (1035, 1943679), (3105, 647893)]