16526181

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1$

素因数の和:194

約数の個数: 48

約数和(自身を含む): 27706560

約数和(自身を除く): 11180379

約数列:

[1, 3, 7, 19, 21, 49, 57, 61, 97, 133, 147, 183, 291, 399, 427, 679, 931, 1159, 1281, 1843, 2037, 2793, 2989, 3477, 4753, 5529, 5917, 8113, 8967, 12901, 14259, 17751, 24339, 38703, 41419, 56791, 90307, 112423, 124257, 170373, 270921, 289933, 337269, 786961, 869799, 2360883, 5508727, 16526181]

約数ペア:

[(1, 16526181), (3, 5508727), (7, 2360883), (19, 869799), (21, 786961), (49, 337269), (57, 289933), (61, 270921), (97, 170373), (133, 124257), (147, 112423), (183, 90307), (291, 56791), (399, 41419), (427, 38703), (679, 24339), (931, 17751), (1159, 14259), (1281, 12901), (1843, 8967), (2037, 8113), (2793, 5917), (2989, 5529), (3477, 4753)]