225547025

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{74561}}^1$

素因数の和:74593

約数の個数: 18

約数和(自身を含む): 307419126

約数和(自身を除く): 81872101

約数列:

[1, 5, 11, 25, 55, 121, 275, 605, 3025, 74561, 372805, 820171, 1864025, 4100855, 9021881, 20504275, 45109405, 225547025]

約数ペア:

[(1, 225547025), (5, 45109405), (11, 20504275), (25, 9021881), (55, 4100855), (121, 1864025), (275, 820171), (605, 372805), (3025, 74561)]