512295

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1$

素因数の和:80

約数の個数: 48

約数和(自身を含む): 1034208

約数和(自身を除く): 521913

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 41, 49, 51, 85, 105, 119, 123, 147, 205, 245, 255, 287, 357, 595, 615, 697, 735, 833, 861, 1435, 1785, 2009, 2091, 2499, 3485, 4165, 4305, 4879, 6027, 10045, 10455, 12495, 14637, 24395, 30135, 34153, 73185, 102459, 170765, 512295]

約数ペア:

[(1, 512295), (3, 170765), (5, 102459), (7, 73185), (15, 34153), (17, 30135), (21, 24395), (35, 14637), (41, 12495), (49, 10455), (51, 10045), (85, 6027), (105, 4879), (119, 4305), (123, 4165), (147, 3485), (205, 2499), (245, 2091), (255, 2009), (287, 1785), (357, 1435), (595, 861), (615, 833), (697, 735)]