15864849

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{587}}^1$

素因数の和:627

約数の個数: 64

約数和(自身を含む): 31610880

約数和(自身を除く): 15746031

約数列:

[1, 3, 7, 9, 11, 13, 21, 27, 33, 39, 63, 77, 91, 99, 117, 143, 189, 231, 273, 297, 351, 429, 587, 693, 819, 1001, 1287, 1761, 2079, 2457, 3003, 3861, 4109, 5283, 6457, 7631, 9009, 12327, 15849, 19371, 22893, 27027, 36981, 45199, 53417, 58113, 68679, 83941, 110943, 135597, 160251, 174339, 206037, 251823, 406791, 480753, 587587, 755469, 1220373, 1442259, 1762761, 2266407, 5288283, 15864849]

約数ペア:

[(1, 15864849), (3, 5288283), (7, 2266407), (9, 1762761), (11, 1442259), (13, 1220373), (21, 755469), (27, 587587), (33, 480753), (39, 406791), (63, 251823), (77, 206037), (91, 174339), (99, 160251), (117, 135597), (143, 110943), (189, 83941), (231, 68679), (273, 58113), (297, 53417), (351, 45199), (429, 36981), (587, 27027), (693, 22893), (819, 19371), (1001, 15849), (1287, 12327), (1761, 9009), (2079, 7631), (2457, 6457), (3003, 5283), (3861, 4109)]