640914159

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{941}}^1\times {\mathrm{9871}}^1$

素因数の和:10838

約数の個数: 16

約数和(自身を含む): 892744704

約数和(自身を除く): 251830545

約数列:

[1, 3, 23, 69, 941, 2823, 9871, 21643, 29613, 64929, 227033, 681099, 9288611, 27865833, 213638053, 640914159]

約数ペア:

[(1, 640914159), (3, 213638053), (23, 27865833), (69, 9288611), (941, 681099), (2823, 227033), (9871, 64929), (21643, 29613)]