168380505

素因数分解:

$3^3\times 5^1\times {\mathrm{1247263}}^1$

素因数の和:1247277

約数の個数: 16

約数和(自身を含む): 299343360

約数和(自身を除く): 130962855

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 1247263, 3741789, 6236315, 11225367, 18708945, 33676101, 56126835, 168380505]

約数ペア:

[(1, 168380505), (3, 56126835), (5, 33676101), (9, 18708945), (15, 11225367), (27, 6236315), (45, 3741789), (135, 1247263)]