153856913

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{136519}}^1$

素因数の和:136556

約数の個数: 12

約数和(自身を含む): 186759360

約数和(自身を除く): 32902447

約数列:

[1, 7, 23, 49, 161, 1127, 136519, 955633, 3139937, 6689431, 21979559, 153856913]

約数ペア:

[(1, 153856913), (7, 21979559), (23, 6689431), (49, 3139937), (161, 955633), (1127, 136519)]