12913803

素因数分解:

$3^3\times 7^2\times {\mathrm{43}}^1\times {\mathrm{227}}^1$

素因数の和:293

約数の個数: 48

約数和(自身を含む): 22872960

約数和(自身を除く): 9959157

約数列:

[1, 3, 7, 9, 21, 27, 43, 49, 63, 129, 147, 189, 227, 301, 387, 441, 681, 903, 1161, 1323, 1589, 2043, 2107, 2709, 4767, 6129, 6321, 8127, 9761, 11123, 14301, 18963, 29283, 33369, 42903, 56889, 68327, 87849, 100107, 204981, 263547, 300321, 478289, 614943, 1434867, 1844829, 4304601, 12913803]

約数ペア:

[(1, 12913803), (3, 4304601), (7, 1844829), (9, 1434867), (21, 614943), (27, 478289), (43, 300321), (49, 263547), (63, 204981), (129, 100107), (147, 87849), (189, 68327), (227, 56889), (301, 42903), (387, 33369), (441, 29283), (681, 18963), (903, 14301), (1161, 11123), (1323, 9761), (1589, 8127), (2043, 6321), (2107, 6129), (2709, 4767)]