428946285

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{431}}^1\times {\mathrm{1543}}^1$

素因数の和:2025

約数の個数: 32

約数和(自身を含む): 704360448

約数和(自身を除く): 275414163

約数列:

[1, 3, 5, 15, 43, 129, 215, 431, 645, 1293, 1543, 2155, 4629, 6465, 7715, 18533, 23145, 55599, 66349, 92665, 199047, 277995, 331745, 665033, 995235, 1995099, 3325165, 9975495, 28596419, 85789257, 142982095, 428946285]

約数ペア:

[(1, 428946285), (3, 142982095), (5, 85789257), (15, 28596419), (43, 9975495), (129, 3325165), (215, 1995099), (431, 995235), (645, 665033), (1293, 331745), (1543, 277995), (2155, 199047), (4629, 92665), (6465, 66349), (7715, 55599), (18533, 23145)]