67428195

素因数分解:

$3^1\times 5^1\times {\mathrm{643}}^1\times {\mathrm{6991}}^1$

素因数の和:7642

約数の個数: 16

約数和(自身を含む): 108068352

約数和(自身を除く): 40640157

約数列:

[1, 3, 5, 15, 643, 1929, 3215, 6991, 9645, 20973, 34955, 104865, 4495213, 13485639, 22476065, 67428195]

約数ペア:

[(1, 67428195), (3, 22476065), (5, 13485639), (15, 4495213), (643, 104865), (1929, 34955), (3215, 20973), (6991, 9645)]