16572717

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{193}}^1$

素因数の和:282

約数の個数: 48

約数和(自身を含む): 29053440

約数和(自身を除く): 12480723

約数列:

[1, 3, 7, 9, 21, 29, 47, 63, 87, 141, 193, 203, 261, 329, 423, 579, 609, 987, 1351, 1363, 1737, 1827, 2961, 4053, 4089, 5597, 9071, 9541, 12159, 12267, 16791, 27213, 28623, 39179, 50373, 63497, 81639, 85869, 117537, 190491, 263059, 352611, 571473, 789177, 1841413, 2367531, 5524239, 16572717]

約数ペア:

[(1, 16572717), (3, 5524239), (7, 2367531), (9, 1841413), (21, 789177), (29, 571473), (47, 352611), (63, 263059), (87, 190491), (141, 117537), (193, 85869), (203, 81639), (261, 63497), (329, 50373), (423, 39179), (579, 28623), (609, 27213), (987, 16791), (1351, 12267), (1363, 12159), (1737, 9541), (1827, 9071), (2961, 5597), (4053, 4089)]