210200025

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{400381}}^1$

素因数の和:400401

約数の個数: 24

約数和(自身を含む): 397178944

約数和(自身を除く): 186978919

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 175, 525, 400381, 1201143, 2001905, 2802667, 6005715, 8408001, 10009525, 14013335, 30028575, 42040005, 70066675, 210200025]

約数ペア:

[(1, 210200025), (3, 70066675), (5, 42040005), (7, 30028575), (15, 14013335), (21, 10009525), (25, 8408001), (35, 6005715), (75, 2802667), (105, 2001905), (175, 1201143), (525, 400381)]