68905025

素因数分解:

$5^2\times 7^2\times {\mathrm{56249}}^1$

素因数の和:56273

約数の個数: 18

約数和(自身を含む): 99393750

約数和(自身を除く): 30488725

約数列:

[1, 5, 7, 25, 35, 49, 175, 245, 1225, 56249, 281245, 393743, 1406225, 1968715, 2756201, 9843575, 13781005, 68905025]

約数ペア:

[(1, 68905025), (5, 13781005), (7, 9843575), (25, 2756201), (35, 1968715), (49, 1406225), (175, 393743), (245, 281245), (1225, 56249)]