25311555

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{269}}^1$

素因数の和:341

約数の個数: 64

約数和(自身を含む): 48988800

約数和(自身を除く): 23677245

約数列:

[1, 3, 5, 9, 15, 17, 27, 41, 45, 51, 85, 123, 135, 153, 205, 255, 269, 369, 459, 615, 697, 765, 807, 1107, 1345, 1845, 2091, 2295, 2421, 3485, 4035, 4573, 5535, 6273, 7263, 10455, 11029, 12105, 13719, 18819, 22865, 31365, 33087, 36315, 41157, 55145, 68595, 94095, 99261, 123471, 165435, 187493, 205785, 297783, 496305, 562479, 617355, 937465, 1488915, 1687437, 2812395, 5062311, 8437185, 25311555]

約数ペア:

[(1, 25311555), (3, 8437185), (5, 5062311), (9, 2812395), (15, 1687437), (17, 1488915), (27, 937465), (41, 617355), (45, 562479), (51, 496305), (85, 297783), (123, 205785), (135, 187493), (153, 165435), (205, 123471), (255, 99261), (269, 94095), (369, 68595), (459, 55145), (615, 41157), (697, 36315), (765, 33087), (807, 31365), (1107, 22865), (1345, 18819), (1845, 13719), (2091, 12105), (2295, 11029), (2421, 10455), (3485, 7263), (4035, 6273), (4573, 5535)]