205487025

素因数分解:

$3^1\times 5^2\times {\mathrm{101}}^1\times {\mathrm{27127}}^1$

素因数の和:27241

約数の個数: 24

約数和(自身を含む): 343114944

約数和(自身を除く): 137627919

約数列:

[1, 3, 5, 15, 25, 75, 101, 303, 505, 1515, 2525, 7575, 27127, 81381, 135635, 406905, 678175, 2034525, 2739827, 8219481, 13699135, 41097405, 68495675, 205487025]

約数ペア:

[(1, 205487025), (3, 68495675), (5, 41097405), (15, 13699135), (25, 8219481), (75, 2739827), (101, 2034525), (303, 678175), (505, 406905), (1515, 135635), (2525, 81381), (7575, 27127)]