217781155

素因数分解:

$5^1\times {\mathrm{29}}^2\times {\mathrm{67}}^1\times {\mathrm{773}}^1$

素因数の和:903

約数の個数: 24

約数和(自身を含む): 275054832

約数和(自身を除く): 57273677

約数列:

[1, 5, 29, 67, 145, 335, 773, 841, 1943, 3865, 4205, 9715, 22417, 51791, 56347, 112085, 258955, 281735, 650093, 1501939, 3250465, 7509695, 43556231, 217781155]

約数ペア:

[(1, 217781155), (5, 43556231), (29, 7509695), (67, 3250465), (145, 1501939), (335, 650093), (773, 281735), (841, 258955), (1943, 112085), (3865, 56347), (4205, 51791), (9715, 22417)]