697827981

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{271}}^1\times {\mathrm{557}}^1$

素因数の和:921

約数の個数: 32

約数和(自身を含む): 990793728

約数和(自身を除く): 292965747

約数列:

[1, 3, 23, 67, 69, 201, 271, 557, 813, 1541, 1671, 4623, 6233, 12811, 18157, 18699, 37319, 38433, 54471, 111957, 150947, 417611, 452841, 858337, 1252833, 2575011, 3471781, 10113449, 10415343, 30340347, 232609327, 697827981]

約数ペア:

[(1, 697827981), (3, 232609327), (23, 30340347), (67, 10415343), (69, 10113449), (201, 3471781), (271, 2575011), (557, 1252833), (813, 858337), (1541, 452841), (1671, 417611), (4623, 150947), (6233, 111957), (12811, 54471), (18157, 38433), (18699, 37319)]