31657959

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{16993}}^1$

素因数の和:17028

約数の個数: 20

約数和(自身を含む): 49350576

約数和(自身を除く): 17692617

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 16993, 50979, 152937, 390839, 458811, 1172517, 1376433, 3517551, 10552653, 31657959]

約数ペア:

[(1, 31657959), (3, 10552653), (9, 3517551), (23, 1376433), (27, 1172517), (69, 458811), (81, 390839), (207, 152937), (621, 50979), (1863, 16993)]