68516875

素因数分解:

$5^4\times 7^1\times {\mathrm{15661}}^1$

素因数の和:15688

約数の個数: 20

約数和(自身を含む): 97856176

約数和(自身を除く): 29339301

約数列:

[1, 5, 7, 25, 35, 125, 175, 625, 875, 4375, 15661, 78305, 109627, 391525, 548135, 1957625, 2740675, 9788125, 13703375, 68516875]

約数ペア:

[(1, 68516875), (5, 13703375), (7, 9788125), (25, 2740675), (35, 1957625), (125, 548135), (175, 391525), (625, 109627), (875, 78305), (4375, 15661)]