18006885

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{30781}}^1$

素因数の和:30805

約数の個数: 24

約数和(自身を含む): 33613944

約数和(自身を除く): 15607059

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 30781, 92343, 153905, 277029, 400153, 461715, 1200459, 1385145, 2000765, 3601377, 6002295, 18006885]

約数ペア:

[(1, 18006885), (3, 6002295), (5, 3601377), (9, 2000765), (13, 1385145), (15, 1200459), (39, 461715), (45, 400153), (65, 277029), (117, 153905), (195, 92343), (585, 30781)]