28776933

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:186

約数の個数: 48

約数和(自身を含む): 45961344

約数和(自身を除く): 17184411

約数列:

[1, 3, 9, 23, 43, 53, 61, 69, 129, 159, 183, 207, 387, 477, 549, 989, 1219, 1403, 2279, 2623, 2967, 3233, 3657, 4209, 6837, 7869, 8901, 9699, 10971, 12627, 20511, 23607, 29097, 52417, 60329, 74359, 139019, 157251, 180987, 223077, 417057, 471753, 542961, 669231, 1251171, 3197437, 9592311, 28776933]

約数ペア:

[(1, 28776933), (3, 9592311), (9, 3197437), (23, 1251171), (43, 669231), (53, 542961), (61, 471753), (69, 417057), (129, 223077), (159, 180987), (183, 157251), (207, 139019), (387, 74359), (477, 60329), (549, 52417), (989, 29097), (1219, 23607), (1403, 20511), (2279, 12627), (2623, 10971), (2967, 9699), (3233, 8901), (3657, 7869), (4209, 6837)]