3750705

素因数分解:

$3^7\times 5^1\times 7^3$

素因数の和:47

約数の個数: 64

約数和(自身を含む): 7872000

約数和(自身を除く): 4121295

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 49, 63, 81, 105, 135, 147, 189, 243, 245, 315, 343, 405, 441, 567, 729, 735, 945, 1029, 1215, 1323, 1701, 1715, 2187, 2205, 2835, 3087, 3645, 3969, 5103, 5145, 6615, 8505, 9261, 10935, 11907, 15309, 15435, 19845, 25515, 27783, 35721, 46305, 59535, 76545, 83349, 107163, 138915, 178605, 250047, 416745, 535815, 750141, 1250235, 3750705]

約数ペア:

[(1, 3750705), (3, 1250235), (5, 750141), (7, 535815), (9, 416745), (15, 250047), (21, 178605), (27, 138915), (35, 107163), (45, 83349), (49, 76545), (63, 59535), (81, 46305), (105, 35721), (135, 27783), (147, 25515), (189, 19845), (243, 15435), (245, 15309), (315, 11907), (343, 10935), (405, 9261), (441, 8505), (567, 6615), (729, 5145), (735, 5103), (945, 3969), (1029, 3645), (1215, 3087), (1323, 2835), (1701, 2205), (1715, 2187)]