1999135299

素因数分解:

$3^1\times 7^1\times {\mathrm{4639}}^1\times {\mathrm{20521}}^1$

素因数の和:25170

約数の個数: 16

約数和(自身を含む): 3047106560

約数和(自身を除く): 1047971261

約数列:

[1, 3, 7, 21, 4639, 13917, 20521, 32473, 61563, 97419, 143647, 430941, 95196919, 285590757, 666378433, 1999135299]

約数ペア:

[(1, 1999135299), (3, 666378433), (7, 285590757), (21, 95196919), (4639, 430941), (13917, 143647), (20521, 97419), (32473, 61563)]