2787025

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1$

素因数の和:201

約数の個数: 24

約数和(自身を含む): 3731904

約数和(自身を除く): 944879

約数列:

[1, 5, 23, 25, 37, 115, 131, 185, 575, 655, 851, 925, 3013, 3275, 4255, 4847, 15065, 21275, 24235, 75325, 111481, 121175, 557405, 2787025]

約数ペア:

[(1, 2787025), (5, 557405), (23, 121175), (25, 111481), (37, 75325), (115, 24235), (131, 21275), (185, 15065), (575, 4847), (655, 4255), (851, 3275), (925, 3013)]