821444787

素因数分解:

$3^3\times {\mathrm{59}}^1\times {\mathrm{647}}^1\times {\mathrm{797}}^1$

素因数の和:1512

約数の個数: 32

約数和(自身を含む): 1241049600

約数和(自身を除く): 419604813

約数列:

[1, 3, 9, 27, 59, 177, 531, 647, 797, 1593, 1941, 2391, 5823, 7173, 17469, 21519, 38173, 47023, 114519, 141069, 343557, 423207, 515659, 1030671, 1269621, 1546977, 4640931, 13922793, 30423881, 91271643, 273814929, 821444787]

約数ペア:

[(1, 821444787), (3, 273814929), (9, 91271643), (27, 30423881), (59, 13922793), (177, 4640931), (531, 1546977), (647, 1269621), (797, 1030671), (1593, 515659), (1941, 423207), (2391, 343557), (5823, 141069), (7173, 114519), (17469, 47023), (21519, 38173)]