68642875

素因数分解:

$5^3\times 7^3\times {\mathrm{1601}}^1$

素因数の和:1637

約数の個数: 32

約数和(自身を含む): 99964800

約数和(自身を除く): 31321925

約数列:

[1, 5, 7, 25, 35, 49, 125, 175, 245, 343, 875, 1225, 1601, 1715, 6125, 8005, 8575, 11207, 40025, 42875, 56035, 78449, 200125, 280175, 392245, 549143, 1400875, 1961225, 2745715, 9806125, 13728575, 68642875]

約数ペア:

[(1, 68642875), (5, 13728575), (7, 9806125), (25, 2745715), (35, 1961225), (49, 1400875), (125, 549143), (175, 392245), (245, 280175), (343, 200125), (875, 78449), (1225, 56035), (1601, 42875), (1715, 40025), (6125, 11207), (8005, 8575)]