212300025

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{404381}}^1$

素因数の和:404401

約数の個数: 24

約数和(自身を含む): 401146944

約数和(自身を除く): 188846919

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 175, 525, 404381, 1213143, 2021905, 2830667, 6065715, 8492001, 10109525, 14153335, 30328575, 42460005, 70766675, 212300025]

約数ペア:

[(1, 212300025), (3, 70766675), (5, 42460005), (7, 30328575), (15, 14153335), (21, 10109525), (25, 8492001), (35, 6065715), (75, 2830667), (105, 2021905), (175, 1213143), (525, 404381)]