15664905

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{20477}}^1$

素因数の和:20505

約数の個数: 24

約数和(自身を含む): 28751112

約数和(自身を除く): 13086207

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 20477, 61431, 102385, 184293, 307155, 348109, 921465, 1044327, 1740545, 3132981, 5221635, 15664905]

約数ペア:

[(1, 15664905), (3, 5221635), (5, 3132981), (9, 1740545), (15, 1044327), (17, 921465), (45, 348109), (51, 307155), (85, 184293), (153, 102385), (255, 61431), (765, 20477)]