6921985

素因数分解:

$5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1487}}^1$

素因数の和:1525

約数の個数: 24

約数和(自身を含む): 10177920

約数和(自身を除く): 3255935

約数列:

[1, 5, 7, 19, 35, 49, 95, 133, 245, 665, 931, 1487, 4655, 7435, 10409, 28253, 52045, 72863, 141265, 197771, 364315, 988855, 1384397, 6921985]

約数ペア:

[(1, 6921985), (5, 1384397), (7, 988855), (19, 364315), (35, 197771), (49, 141265), (95, 72863), (133, 52045), (245, 28253), (665, 10409), (931, 7435), (1487, 4655)]