13872145

素因数分解:

$5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{1381}}^1$

素因数の和:1441

約数の個数: 24

約数和(自身を含む): 19851048

約数和(自身を除く): 5978903

約数列:

[1, 5, 7, 35, 41, 49, 205, 245, 287, 1381, 1435, 2009, 6905, 9667, 10045, 48335, 56621, 67669, 283105, 338345, 396347, 1981735, 2774429, 13872145]

約数ペア:

[(1, 13872145), (5, 2774429), (7, 1981735), (35, 396347), (41, 338345), (49, 283105), (205, 67669), (245, 56621), (287, 48335), (1381, 10045), (1435, 9667), (2009, 6905)]