67680025

素因数分解:

$5^2\times 7^2\times {\mathrm{55249}}^1$

素因数の和:55273

約数の個数: 18

約数和(自身を含む): 97626750

約数和(自身を除く): 29946725

約数列:

[1, 5, 7, 25, 35, 49, 175, 245, 1225, 55249, 276245, 386743, 1381225, 1933715, 2707201, 9668575, 13536005, 67680025]

約数ペア:

[(1, 67680025), (5, 13536005), (7, 9668575), (25, 2707201), (35, 1933715), (49, 1381225), (175, 386743), (245, 276245), (1225, 55249)]