814959

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:187

約数の個数: 24

約数和(自身を含む): 1277952

約数和(自身を除く): 462993

約数列:

[1, 3, 9, 23, 31, 69, 93, 127, 207, 279, 381, 713, 1143, 2139, 2921, 3937, 6417, 8763, 11811, 26289, 35433, 90551, 271653, 814959]

約数ペア:

[(1, 814959), (3, 271653), (9, 90551), (23, 35433), (31, 26289), (69, 11811), (93, 8763), (127, 6417), (207, 3937), (279, 2921), (381, 2139), (713, 1143)]