81568494

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{223}}^1\times {\mathrm{2903}}^1$

素因数の和:3141

約数の個数: 48

約数和(自身を含む): 202954752

約数和(自身を除く): 121386258

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 223, 446, 669, 1338, 1561, 2007, 2903, 3122, 4014, 4683, 5806, 8709, 9366, 14049, 17418, 20321, 26127, 28098, 40642, 52254, 60963, 121926, 182889, 365778, 647369, 1294738, 1942107, 3884214, 4531583, 5826321, 9063166, 11652642, 13594749, 27189498, 40784247, 81568494]

約数ペア:

[(1, 81568494), (2, 40784247), (3, 27189498), (6, 13594749), (7, 11652642), (9, 9063166), (14, 5826321), (18, 4531583), (21, 3884214), (42, 1942107), (63, 1294738), (126, 647369), (223, 365778), (446, 182889), (669, 121926), (1338, 60963), (1561, 52254), (2007, 40642), (2903, 28098), (3122, 26127), (4014, 20321), (4683, 17418), (5806, 14049), (8709, 9366)]