51681315

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{509}}^1\times {\mathrm{967}}^1$

素因数の和:1491

約数の個数: 32

約数和(自身を含む): 94786560

約数和(自身を除く): 43105245

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 509, 967, 1527, 2545, 2901, 3563, 4835, 6769, 7635, 10689, 14505, 17815, 20307, 33845, 53445, 101535, 492203, 1476609, 2461015, 3445421, 7383045, 10336263, 17227105, 51681315]

約数ペア:

[(1, 51681315), (3, 17227105), (5, 10336263), (7, 7383045), (15, 3445421), (21, 2461015), (35, 1476609), (105, 492203), (509, 101535), (967, 53445), (1527, 33845), (2545, 20307), (2901, 17815), (3563, 14505), (4835, 10689), (6769, 7635)]