1213305

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{1721}}^1$

素因数の和:1776

約数の個数: 16

約数和(自身を含む): 1983744

約数和(自身を除く): 770439

約数列:

[1, 3, 5, 15, 47, 141, 235, 705, 1721, 5163, 8605, 25815, 80887, 242661, 404435, 1213305]

約数ペア:

[(1, 1213305), (3, 404435), (5, 242661), (15, 80887), (47, 25815), (141, 8605), (235, 5163), (705, 1721)]