65343025

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{21601}}^1$

素因数の和:21633

約数の個数: 18

約数和(自身を含む): 89065046

約数和(自身を除く): 23722021

約数列:

[1, 5, 11, 25, 55, 121, 275, 605, 3025, 21601, 108005, 237611, 540025, 1188055, 2613721, 5940275, 13068605, 65343025]

約数ペア:

[(1, 65343025), (5, 13068605), (11, 5940275), (25, 2613721), (55, 1188055), (121, 540025), (275, 237611), (605, 108005), (3025, 21601)]