260181855

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{1553}}^1$

素因数の和:1657

約数の個数: 64

約数和(自身を含む): 496782720

約数和(自身を除く): 236600865

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 73, 85, 135, 153, 219, 255, 365, 459, 657, 765, 1095, 1241, 1553, 1971, 2295, 3285, 3723, 4659, 6205, 7765, 9855, 11169, 13977, 18615, 23295, 26401, 33507, 41931, 55845, 69885, 79203, 113369, 132005, 167535, 209655, 237609, 340107, 396015, 566845, 712827, 1020321, 1188045, 1700535, 1927273, 3060963, 3564135, 5101605, 5781819, 9636365, 15304815, 17345457, 28909095, 52036371, 86727285, 260181855]

約数ペア:

[(1, 260181855), (3, 86727285), (5, 52036371), (9, 28909095), (15, 17345457), (17, 15304815), (27, 9636365), (45, 5781819), (51, 5101605), (73, 3564135), (85, 3060963), (135, 1927273), (153, 1700535), (219, 1188045), (255, 1020321), (365, 712827), (459, 566845), (657, 396015), (765, 340107), (1095, 237609), (1241, 209655), (1553, 167535), (1971, 132005), (2295, 113369), (3285, 79203), (3723, 69885), (4659, 55845), (6205, 41931), (7765, 33507), (9855, 26401), (11169, 23295), (13977, 18615)]