172905831

素因数分解:

$3^2\times 7^1\times {\mathrm{1571}}^1\times {\mathrm{1747}}^1$

素因数の和:3331

約数の個数: 24

約数和(自身を含む): 285777024

約数和(自身を除く): 112871193

約数列:

[1, 3, 7, 9, 21, 63, 1571, 1747, 4713, 5241, 10997, 12229, 14139, 15723, 32991, 36687, 98973, 110061, 2744537, 8233611, 19211759, 24700833, 57635277, 172905831]

約数ペア:

[(1, 172905831), (3, 57635277), (7, 24700833), (9, 19211759), (21, 8233611), (63, 2744537), (1571, 110061), (1747, 98973), (4713, 36687), (5241, 32991), (10997, 15723), (12229, 14139)]