156980979

素因数分解:

$3^2\times {\mathrm{79}}^1\times {\mathrm{220789}}^1$

素因数の和:220874

約数の個数: 12

約数和(自身を含む): 229621600

約数和(自身を除く): 72640621

約数列:

[1, 3, 9, 79, 237, 711, 220789, 662367, 1987101, 17442331, 52326993, 156980979]

約数ペア:

[(1, 156980979), (3, 52326993), (9, 17442331), (79, 1987101), (237, 662367), (711, 220789)]