80128989

素因数分解:

$3^2\times {\mathrm{79}}^1\times {\mathrm{251}}^1\times {\mathrm{449}}^1$

素因数の和:785

約数の個数: 24

約数和(自身を含む): 117936000

約数和(自身を除く): 37807011

約数列:

[1, 3, 9, 79, 237, 251, 449, 711, 753, 1347, 2259, 4041, 19829, 35471, 59487, 106413, 112699, 178461, 319239, 338097, 1014291, 8903221, 26709663, 80128989]

約数ペア:

[(1, 80128989), (3, 26709663), (9, 8903221), (79, 1014291), (237, 338097), (251, 319239), (449, 178461), (711, 112699), (753, 106413), (1347, 59487), (2259, 35471), (4041, 19829)]