208341837

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{449}}^1$

素因数の和:618

約数の個数: 48

約数和(自身を含む): 339768000

約数和(自身を除く): 131426163

約数列:

[1, 3, 9, 11, 33, 43, 99, 109, 129, 327, 387, 449, 473, 981, 1199, 1347, 1419, 3597, 4041, 4257, 4687, 4939, 10791, 14061, 14817, 19307, 42183, 44451, 48941, 51557, 57921, 146823, 154671, 173763, 212377, 440469, 464013, 538351, 637131, 1615053, 1911393, 2104463, 4845159, 6313389, 18940167, 23149093, 69447279, 208341837]

約数ペア:

[(1, 208341837), (3, 69447279), (9, 23149093), (11, 18940167), (33, 6313389), (43, 4845159), (99, 2104463), (109, 1911393), (129, 1615053), (327, 637131), (387, 538351), (449, 464013), (473, 440469), (981, 212377), (1199, 173763), (1347, 154671), (1419, 146823), (3597, 57921), (4041, 51557), (4257, 48941), (4687, 44451), (4939, 42183), (10791, 19307), (14061, 14817)]