9887751

素因数分解:

$3^4\times {\mathrm{59}}^1\times {\mathrm{2069}}^1$

素因数の和:2140

約数の個数: 20

約数和(自身を含む): 15028200

約数和(自身を除く): 5140449

約数列:

[1, 3, 9, 27, 59, 81, 177, 531, 1593, 2069, 4779, 6207, 18621, 55863, 122071, 167589, 366213, 1098639, 3295917, 9887751]

約数ペア:

[(1, 9887751), (3, 3295917), (9, 1098639), (27, 366213), (59, 167589), (81, 122071), (177, 55863), (531, 18621), (1593, 6207), (2069, 4779)]