13981415

素因数分解:

$5^1\times 7^2\times {\mathrm{149}}^1\times {\mathrm{383}}^1$

素因数の和:551

約数の個数: 24

約数和(自身を含む): 19699200

約数和(自身を除く): 5717785

約数列:

[1, 5, 7, 35, 49, 149, 245, 383, 745, 1043, 1915, 2681, 5215, 7301, 13405, 18767, 36505, 57067, 93835, 285335, 399469, 1997345, 2796283, 13981415]

約数ペア:

[(1, 13981415), (5, 2796283), (7, 1997345), (35, 399469), (49, 285335), (149, 93835), (245, 57067), (383, 36505), (745, 18767), (1043, 13405), (1915, 7301), (2681, 5215)]