29987025

素因数分解:

$3^1\times 5^2\times {\mathrm{487}}^1\times {\mathrm{821}}^1$

素因数の和:1321

約数の個数: 24

約数和(自身を含む): 49740864

約数和(自身を除く): 19753839

約数列:

[1, 3, 5, 15, 25, 75, 487, 821, 1461, 2435, 2463, 4105, 7305, 12175, 12315, 20525, 36525, 61575, 399827, 1199481, 1999135, 5997405, 9995675, 29987025]

約数ペア:

[(1, 29987025), (3, 9995675), (5, 5997405), (15, 1999135), (25, 1199481), (75, 399827), (487, 61575), (821, 36525), (1461, 20525), (2435, 12315), (2463, 12175), (4105, 7305)]