813645

素因数分解:

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

素因数の和:72

約数の個数: 60

約数和(自身を含む): 1738044

約数和(自身を除く): 924399

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 41, 45, 49, 63, 81, 105, 123, 135, 147, 189, 205, 245, 287, 315, 369, 405, 441, 567, 615, 735, 861, 945, 1107, 1323, 1435, 1845, 2009, 2205, 2583, 2835, 3321, 3969, 4305, 5535, 6027, 6615, 7749, 10045, 12915, 16605, 18081, 19845, 23247, 30135, 38745, 54243, 90405, 116235, 162729, 271215, 813645]

約数ペア:

[(1, 813645), (3, 271215), (5, 162729), (7, 116235), (9, 90405), (15, 54243), (21, 38745), (27, 30135), (35, 23247), (41, 19845), (45, 18081), (49, 16605), (63, 12915), (81, 10045), (105, 7749), (123, 6615), (135, 6027), (147, 5535), (189, 4305), (205, 3969), (245, 3321), (287, 2835), (315, 2583), (369, 2205), (405, 2009), (441, 1845), (567, 1435), (615, 1323), (735, 1107), (861, 945)]