77780205

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{90971}}^1$

素因数の和:91001

約数の個数: 24

約数和(自身を含む): 141916320

約数和(自身を除く): 64136115

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 285, 855, 90971, 272913, 454855, 818739, 1364565, 1728449, 4093695, 5185347, 8642245, 15556041, 25926735, 77780205]

約数ペア:

[(1, 77780205), (3, 25926735), (5, 15556041), (9, 8642245), (15, 5185347), (19, 4093695), (45, 1728449), (57, 1364565), (95, 818739), (171, 454855), (285, 272913), (855, 90971)]