42685785

素因数分解:

$3^4\times 5^1\times {\mathrm{105397}}^1$

素因数の和:105414

約数の個数: 20

約数和(自身を含む): 76518948

約数和(自身を除く): 33833163

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 105397, 316191, 526985, 948573, 1580955, 2845719, 4742865, 8537157, 14228595, 42685785]

約数ペア:

[(1, 42685785), (3, 14228595), (5, 8537157), (9, 4742865), (15, 2845719), (27, 1580955), (45, 948573), (81, 526985), (135, 316191), (405, 105397)]