128447571

素因数分解:

$3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{37991}}^1$

素因数の和:38031

約数の個数: 24

約数和(自身を含む): 207892224

約数和(自身を除く): 79444653

約数列:

[1, 3, 7, 21, 23, 49, 69, 147, 161, 483, 1127, 3381, 37991, 113973, 265937, 797811, 873793, 1861559, 2621379, 5584677, 6116551, 18349653, 42815857, 128447571]

約数ペア:

[(1, 128447571), (3, 42815857), (7, 18349653), (21, 6116551), (23, 5584677), (49, 2621379), (69, 1861559), (147, 873793), (161, 797811), (483, 265937), (1127, 113973), (3381, 37991)]