428861439

素因数分解:

$3^3\times {\mathrm{67}}^1\times {\mathrm{237071}}^1$

素因数の和:237147

約数の個数: 16

約数和(自身を含む): 644835840

約数和(自身を除く): 215974401

約数列:

[1, 3, 9, 27, 67, 201, 603, 1809, 237071, 711213, 2133639, 6400917, 15883757, 47651271, 142953813, 428861439]

約数ペア:

[(1, 428861439), (3, 142953813), (9, 47651271), (27, 15883757), (67, 6400917), (201, 2133639), (603, 711213), (1809, 237071)]