81444465

素因数分解:

$3^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{14251}}^1$

素因数の和:14389

約数の個数: 24

約数和(自身を含む): 142291968

約数和(自身を除く): 60847503

約数列:

[1, 3, 5, 9, 15, 45, 127, 381, 635, 1143, 1905, 5715, 14251, 42753, 71255, 128259, 213765, 641295, 1809877, 5429631, 9049385, 16288893, 27148155, 81444465]

約数ペア:

[(1, 81444465), (3, 27148155), (5, 16288893), (9, 9049385), (15, 5429631), (45, 1809877), (127, 641295), (381, 213765), (635, 128259), (1143, 71255), (1905, 42753), (5715, 14251)]