208207791

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{1543}}^1$

素因数の和:1636

約数の個数: 48

約数和(自身を含む): 346844160

約数和(自身を除く): 138636369

約数列:

[1, 3, 9, 11, 29, 33, 47, 87, 99, 141, 261, 319, 423, 517, 957, 1363, 1543, 1551, 2871, 4089, 4629, 4653, 12267, 13887, 14993, 16973, 44747, 44979, 50919, 72521, 134241, 134937, 152757, 217563, 402723, 492217, 652689, 797731, 1476651, 2103109, 2393193, 4429953, 6309327, 7179579, 18927981, 23134199, 69402597, 208207791]

約数ペア:

[(1, 208207791), (3, 69402597), (9, 23134199), (11, 18927981), (29, 7179579), (33, 6309327), (47, 4429953), (87, 2393193), (99, 2103109), (141, 1476651), (261, 797731), (319, 652689), (423, 492217), (517, 402723), (957, 217563), (1363, 152757), (1543, 134937), (1551, 134241), (2871, 72521), (4089, 50919), (4629, 44979), (4653, 44747), (12267, 16973), (13887, 14993)]