18221325

素因数分解:

$3^1\times 5^2\times {\mathrm{127}}^1\times {\mathrm{1913}}^1$

素因数の和:2053

約数の個数: 24

約数和(自身を含む): 30379008

約数和(自身を除く): 12157683

約数列:

[1, 3, 5, 15, 25, 75, 127, 381, 635, 1905, 1913, 3175, 5739, 9525, 9565, 28695, 47825, 143475, 242951, 728853, 1214755, 3644265, 6073775, 18221325]

約数ペア:

[(1, 18221325), (3, 6073775), (5, 3644265), (15, 1214755), (25, 728853), (75, 242951), (127, 143475), (381, 47825), (635, 28695), (1905, 9565), (1913, 9525), (3175, 5739)]