25490565

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{383}}^1$

素因数の和:443

約数の個数: 64

約数和(自身を含む): 49766400

約数和(自身を除く): 24275835

約数列:

[1, 3, 5, 9, 15, 17, 27, 29, 45, 51, 85, 87, 135, 145, 153, 255, 261, 383, 435, 459, 493, 765, 783, 1149, 1305, 1479, 1915, 2295, 2465, 3447, 3915, 4437, 5745, 6511, 7395, 10341, 11107, 13311, 17235, 19533, 22185, 32555, 33321, 51705, 55535, 58599, 66555, 97665, 99963, 166605, 175797, 188819, 292995, 299889, 499815, 566457, 878985, 944095, 1499445, 1699371, 2832285, 5098113, 8496855, 25490565]

約数ペア:

[(1, 25490565), (3, 8496855), (5, 5098113), (9, 2832285), (15, 1699371), (17, 1499445), (27, 944095), (29, 878985), (45, 566457), (51, 499815), (85, 299889), (87, 292995), (135, 188819), (145, 175797), (153, 166605), (255, 99963), (261, 97665), (383, 66555), (435, 58599), (459, 55535), (493, 51705), (765, 33321), (783, 32555), (1149, 22185), (1305, 19533), (1479, 17235), (1915, 13311), (2295, 11107), (2465, 10341), (3447, 7395), (3915, 6511), (4437, 5745)]