287730243

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{359}}^1$

素因数の和:536

約数の個数: 48

約数和(自身を含む): 453024000

約数和(自身を除く): 165293757

約数列:

[1, 3, 9, 19, 43, 57, 109, 129, 171, 327, 359, 387, 817, 981, 1077, 2071, 2451, 3231, 4687, 6213, 6821, 7353, 14061, 15437, 18639, 20463, 39131, 42183, 46311, 61389, 89053, 117393, 138933, 267159, 293303, 352179, 743489, 801477, 879909, 1682633, 2230467, 2639727, 5047899, 6691401, 15143697, 31970027, 95910081, 287730243]

約数ペア:

[(1, 287730243), (3, 95910081), (9, 31970027), (19, 15143697), (43, 6691401), (57, 5047899), (109, 2639727), (129, 2230467), (171, 1682633), (327, 879909), (359, 801477), (387, 743489), (817, 352179), (981, 293303), (1077, 267159), (2071, 138933), (2451, 117393), (3231, 89053), (4687, 61389), (6213, 46311), (6821, 42183), (7353, 39131), (14061, 20463), (15437, 18639)]