28765737

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1$

素因数の和:171

約数の個数: 96

約数和(自身を含む): 58146816

約数和(自身を除く): 29381079

約数列:

[1, 3, 7, 9, 11, 13, 21, 31, 33, 39, 63, 77, 91, 93, 99, 103, 117, 143, 217, 231, 273, 279, 309, 341, 403, 429, 651, 693, 721, 819, 927, 1001, 1023, 1133, 1209, 1287, 1339, 1953, 2163, 2387, 2821, 3003, 3069, 3193, 3399, 3627, 4017, 4433, 6489, 7161, 7931, 8463, 9009, 9373, 9579, 10197, 12051, 13299, 14729, 21483, 22351, 23793, 25389, 28119, 28737, 31031, 35123, 39897, 41509, 44187, 67053, 71379, 84357, 93093, 103103, 105369, 124527, 132561, 201159, 245861, 279279, 290563, 309309, 316107, 373581, 456599, 737583, 871689, 927927, 1369797, 2212749, 2615067, 3196193, 4109391, 9588579, 28765737]

約数ペア:

[(1, 28765737), (3, 9588579), (7, 4109391), (9, 3196193), (11, 2615067), (13, 2212749), (21, 1369797), (31, 927927), (33, 871689), (39, 737583), (63, 456599), (77, 373581), (91, 316107), (93, 309309), (99, 290563), (103, 279279), (117, 245861), (143, 201159), (217, 132561), (231, 124527), (273, 105369), (279, 103103), (309, 93093), (341, 84357), (403, 71379), (429, 67053), (651, 44187), (693, 41509), (721, 39897), (819, 35123), (927, 31031), (1001, 28737), (1023, 28119), (1133, 25389), (1209, 23793), (1287, 22351), (1339, 21483), (1953, 14729), (2163, 13299), (2387, 12051), (2821, 10197), (3003, 9579), (3069, 9373), (3193, 9009), (3399, 8463), (3627, 7931), (4017, 7161), (4433, 6489)]