15297705

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19997}}^1$

素因数の和:20025

約数の個数: 24

約数和(自身を含む): 28077192

約数和(自身を除く): 12779487

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 19997, 59991, 99985, 179973, 299955, 339949, 899865, 1019847, 1699745, 3059541, 5099235, 15297705]

約数ペア:

[(1, 15297705), (3, 5099235), (5, 3059541), (9, 1699745), (15, 1019847), (17, 899865), (45, 339949), (51, 299955), (85, 179973), (153, 99985), (255, 59991), (765, 19997)]