6404643

素因数分解:

$3^3\times 7^2\times {\mathrm{47}}^1\times {\mathrm{103}}^1$

素因数の和:173

約数の個数: 48

約数和(自身を含む): 11381760

約数和(自身を除く): 4977117

約数列:

[1, 3, 7, 9, 21, 27, 47, 49, 63, 103, 141, 147, 189, 309, 329, 423, 441, 721, 927, 987, 1269, 1323, 2163, 2303, 2781, 2961, 4841, 5047, 6489, 6909, 8883, 14523, 15141, 19467, 20727, 33887, 43569, 45423, 62181, 101661, 130707, 136269, 237209, 304983, 711627, 914949, 2134881, 6404643]

約数ペア:

[(1, 6404643), (3, 2134881), (7, 914949), (9, 711627), (21, 304983), (27, 237209), (47, 136269), (49, 130707), (63, 101661), (103, 62181), (141, 45423), (147, 43569), (189, 33887), (309, 20727), (329, 19467), (423, 15141), (441, 14523), (721, 8883), (927, 6909), (987, 6489), (1269, 5047), (1323, 4841), (2163, 2961), (2303, 2781)]