27979245

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{12689}}^1$

素因数の和:12714

約数の個数: 36

約数和(自身を含む): 56419740

約数和(自身を除く): 28440495

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 245, 315, 441, 735, 2205, 12689, 38067, 63445, 88823, 114201, 190335, 266469, 444115, 571005, 621761, 799407, 1332345, 1865283, 3108805, 3997035, 5595849, 9326415, 27979245]

約数ペア:

[(1, 27979245), (3, 9326415), (5, 5595849), (7, 3997035), (9, 3108805), (15, 1865283), (21, 1332345), (35, 799407), (45, 621761), (49, 571005), (63, 444115), (105, 266469), (147, 190335), (245, 114201), (315, 88823), (441, 63445), (735, 38067), (2205, 12689)]