2212749

素因数分解:

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

素因数の和:158

約数の個数: 48

約数和(自身を含む): 4153344

約数和(自身を除く): 1940595

約数列:

[1, 3, 7, 9, 11, 21, 31, 33, 63, 77, 93, 99, 103, 217, 231, 279, 309, 341, 651, 693, 721, 927, 1023, 1133, 1953, 2163, 2387, 3069, 3193, 3399, 6489, 7161, 7931, 9579, 10197, 21483, 22351, 23793, 28737, 35123, 67053, 71379, 105369, 201159, 245861, 316107, 737583, 2212749]

約数ペア:

[(1, 2212749), (3, 737583), (7, 316107), (9, 245861), (11, 201159), (21, 105369), (31, 71379), (33, 67053), (63, 35123), (77, 28737), (93, 23793), (99, 22351), (103, 21483), (217, 10197), (231, 9579), (279, 7931), (309, 7161), (341, 6489), (651, 3399), (693, 3193), (721, 3069), (927, 2387), (1023, 2163), (1133, 1953)]