128631939

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{11437}}^1$

素因数の和:11626

約数の個数: 16

約数和(自身を含む): 180079872

約数和(自身を除く): 51447933

約数列:

[1, 3, 23, 69, 163, 489, 3749, 11247, 11437, 34311, 263051, 789153, 1864231, 5592693, 42877313, 128631939]

約数ペア:

[(1, 128631939), (3, 42877313), (23, 5592693), (69, 1864231), (163, 789153), (489, 263051), (3749, 34311), (11247, 11437)]