18276255

素因数分解:

$3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1$

素因数の和:240

約数の個数: 48

約数和(自身を含む): 33022080

約数和(自身を除く): 14745825

約数列:

[1, 3, 5, 9, 15, 45, 53, 79, 97, 159, 237, 265, 291, 395, 477, 485, 711, 795, 873, 1185, 1455, 2385, 3555, 4187, 4365, 5141, 7663, 12561, 15423, 20935, 22989, 25705, 37683, 38315, 46269, 62805, 68967, 77115, 114945, 188415, 231345, 344835, 406139, 1218417, 2030695, 3655251, 6092085, 18276255]

約数ペア:

[(1, 18276255), (3, 6092085), (5, 3655251), (9, 2030695), (15, 1218417), (45, 406139), (53, 344835), (79, 231345), (97, 188415), (159, 114945), (237, 77115), (265, 68967), (291, 62805), (395, 46269), (477, 38315), (485, 37683), (711, 25705), (795, 22989), (873, 20935), (1185, 15423), (1455, 12561), (2385, 7663), (3555, 5141), (4187, 4365)]