2917215

素因数分解:

$3^5\times 5^1\times 7^4$

素因数の和:48

約数の個数: 60

約数和(自身を含む): 6117384

約数和(自身を除く): 3200169

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, 735, 945, 1029, 1215, 1323, 1701, 1715, 2205, 2401, 2835, 3087, 3969, 5145, 6615, 7203, 8505, 9261, 11907, 12005, 15435, 19845, 21609, 27783, 36015, 46305, 59535, 64827, 83349, 108045, 138915, 194481, 324135, 416745, 583443, 972405, 2917215]

約数ペア:

[(1, 2917215), (3, 972405), (5, 583443), (7, 416745), (9, 324135), (15, 194481), (21, 138915), (27, 108045), (35, 83349), (45, 64827), (49, 59535), (63, 46305), (81, 36015), (105, 27783), (135, 21609), (147, 19845), (189, 15435), (243, 12005), (245, 11907), (315, 9261), (343, 8505), (405, 7203), (441, 6615), (567, 5145), (735, 3969), (945, 3087), (1029, 2835), (1215, 2401), (1323, 2205), (1701, 1715)]