72139025

素因数分解:

$5^2\times 7^2\times {\mathrm{58889}}^1$

素因数の和:58913

約数の個数: 18

約数和(自身を含む): 104058630

約数和(自身を除く): 31919605

約数列:

[1, 5, 7, 25, 35, 49, 175, 245, 1225, 58889, 294445, 412223, 1472225, 2061115, 2885561, 10305575, 14427805, 72139025]

約数ペア:

[(1, 72139025), (5, 14427805), (7, 10305575), (25, 2885561), (35, 2061115), (49, 1472225), (175, 412223), (245, 294445), (1225, 58889)]