12807765

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{6619}}^1$

素因数の和:6673

約数の個数: 24

約数和(自身を含む): 22719840

約数和(自身を除く): 9912075

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 6619, 19857, 33095, 59571, 99285, 284617, 297855, 853851, 1423085, 2561553, 4269255, 12807765]

約数ペア:

[(1, 12807765), (3, 4269255), (5, 2561553), (9, 1423085), (15, 853851), (43, 297855), (45, 284617), (129, 99285), (215, 59571), (387, 33095), (645, 19857), (1935, 6619)]