1878885

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{971}}^1$

素因数の和:1025

約数の個数: 24

約数和(自身を含む): 3335904

約数和(自身を除く): 1457019

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 971, 1935, 2913, 4855, 8739, 14565, 41753, 43695, 125259, 208765, 375777, 626295, 1878885]

約数ペア:

[(1, 1878885), (3, 626295), (5, 375777), (9, 208765), (15, 125259), (43, 43695), (45, 41753), (129, 14565), (215, 8739), (387, 4855), (645, 2913), (971, 1935)]