25421445

素因数分解:

$3^5\times 5^1\times 7^3\times {\mathrm{61}}^1$

素因数の和:102

約数の個数: 96

約数和(自身を含む): 54163200

約数和(自身を除く): 28741755

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 49, 61, 63, 81, 105, 135, 147, 183, 189, 243, 245, 305, 315, 343, 405, 427, 441, 549, 567, 735, 915, 945, 1029, 1215, 1281, 1323, 1647, 1701, 1715, 2135, 2205, 2745, 2835, 2989, 3087, 3843, 3969, 4941, 5145, 6405, 6615, 8235, 8505, 8967, 9261, 11529, 11907, 14823, 14945, 15435, 19215, 19845, 20923, 24705, 26901, 27783, 34587, 44835, 46305, 57645, 59535, 62769, 74115, 80703, 83349, 103761, 104615, 134505, 138915, 172935, 188307, 242109, 313845, 403515, 416745, 518805, 564921, 726327, 941535, 1210545, 1694763, 2824605, 3631635, 5084289, 8473815, 25421445]

約数ペア:

[(1, 25421445), (3, 8473815), (5, 5084289), (7, 3631635), (9, 2824605), (15, 1694763), (21, 1210545), (27, 941535), (35, 726327), (45, 564921), (49, 518805), (61, 416745), (63, 403515), (81, 313845), (105, 242109), (135, 188307), (147, 172935), (183, 138915), (189, 134505), (243, 104615), (245, 103761), (305, 83349), (315, 80703), (343, 74115), (405, 62769), (427, 59535), (441, 57645), (549, 46305), (567, 44835), (735, 34587), (915, 27783), (945, 26901), (1029, 24705), (1215, 20923), (1281, 19845), (1323, 19215), (1647, 15435), (1701, 14945), (1715, 14823), (2135, 11907), (2205, 11529), (2745, 9261), (2835, 8967), (2989, 8505), (3087, 8235), (3843, 6615), (3969, 6405), (4941, 5145)]