28477575

素因数分解:

$3^4\times 5^2\times 7^3\times {\mathrm{41}}^1$

素因数の和:84

約数の個数: 120

約数和(自身を含む): 63016800

約数和(自身を除く): 34539225

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 41, 45, 49, 63, 75, 81, 105, 123, 135, 147, 175, 189, 205, 225, 245, 287, 315, 343, 369, 405, 441, 525, 567, 615, 675, 735, 861, 945, 1025, 1029, 1107, 1225, 1323, 1435, 1575, 1715, 1845, 2009, 2025, 2205, 2583, 2835, 3075, 3087, 3321, 3675, 3969, 4305, 4725, 5145, 5535, 6027, 6615, 7175, 7749, 8575, 9225, 9261, 10045, 11025, 12915, 14063, 14175, 15435, 16605, 18081, 19845, 21525, 23247, 25725, 27675, 27783, 30135, 33075, 38745, 42189, 46305, 50225, 54243, 64575, 70315, 77175, 83025, 90405, 99225, 116235, 126567, 138915, 150675, 162729, 193725, 210945, 231525, 271215, 351575, 379701, 452025, 581175, 632835, 694575, 813645, 1054725, 1139103, 1356075, 1898505, 3164175, 4068225, 5695515, 9492525, 28477575]

約数ペア:

[(1, 28477575), (3, 9492525), (5, 5695515), (7, 4068225), (9, 3164175), (15, 1898505), (21, 1356075), (25, 1139103), (27, 1054725), (35, 813645), (41, 694575), (45, 632835), (49, 581175), (63, 452025), (75, 379701), (81, 351575), (105, 271215), (123, 231525), (135, 210945), (147, 193725), (175, 162729), (189, 150675), (205, 138915), (225, 126567), (245, 116235), (287, 99225), (315, 90405), (343, 83025), (369, 77175), (405, 70315), (441, 64575), (525, 54243), (567, 50225), (615, 46305), (675, 42189), (735, 38745), (861, 33075), (945, 30135), (1025, 27783), (1029, 27675), (1107, 25725), (1225, 23247), (1323, 21525), (1435, 19845), (1575, 18081), (1715, 16605), (1845, 15435), (2009, 14175), (2025, 14063), (2205, 12915), (2583, 11025), (2835, 10045), (3075, 9261), (3087, 9225), (3321, 8575), (3675, 7749), (3969, 7175), (4305, 6615), (4725, 6027), (5145, 5535)]