287349741

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{66103}}^1$

素因数の和:66142

約数の個数: 32

約数和(自身を含む): 507678720

約数和(自身を除く): 220328979

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 161, 189, 207, 483, 621, 1449, 4347, 66103, 198309, 462721, 594927, 1388163, 1520369, 1784781, 4164489, 4561107, 10642583, 12493467, 13683321, 31927749, 41049963, 95783247, 287349741]

約数ペア:

[(1, 287349741), (3, 95783247), (7, 41049963), (9, 31927749), (21, 13683321), (23, 12493467), (27, 10642583), (63, 4561107), (69, 4164489), (161, 1784781), (189, 1520369), (207, 1388163), (483, 594927), (621, 462721), (1449, 198309), (4347, 66103)]