123391009

素因数分解:

$7^1\times {\mathrm{107}}^1\times {\mathrm{151}}^1\times {\mathrm{1091}}^1$

素因数の和:1356

約数の個数: 16

約数和(自身を含む): 143410176

約数和(自身を除く): 20019167

約数列:

[1, 7, 107, 151, 749, 1057, 1091, 7637, 16157, 113099, 116737, 164741, 817159, 1153187, 17627287, 123391009]

約数ペア:

[(1, 123391009), (7, 17627287), (107, 1153187), (151, 817159), (749, 164741), (1057, 116737), (1091, 113099), (7637, 16157)]