13205685

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{51787}}^1$

素因数の和:51812

約数の個数: 16

約数和(自身を含む): 22372416

約数和(自身を除く): 9166731

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 51787, 155361, 258935, 776805, 880379, 2641137, 4401895, 13205685]

約数ペア:

[(1, 13205685), (3, 4401895), (5, 2641137), (15, 880379), (17, 776805), (51, 258935), (85, 155361), (255, 51787)]