199016811

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{353}}^1$

素因数の和:545

約数の個数: 64

約数和(自身を含む): 357964800

約数和(自身を除く): 158947989

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 133, 157, 171, 189, 353, 399, 471, 513, 1059, 1099, 1197, 1413, 2471, 2983, 3177, 3297, 3591, 4239, 6707, 7413, 8949, 9531, 9891, 20121, 20881, 22239, 26847, 29673, 46949, 55421, 60363, 62643, 66717, 80541, 140847, 166263, 181089, 187929, 387947, 422541, 498789, 563787, 1052999, 1163841, 1267623, 1496367, 3158997, 3491523, 7370993, 9476991, 10474569, 22112979, 28430973, 66338937, 199016811]

約数ペア:

[(1, 199016811), (3, 66338937), (7, 28430973), (9, 22112979), (19, 10474569), (21, 9476991), (27, 7370993), (57, 3491523), (63, 3158997), (133, 1496367), (157, 1267623), (171, 1163841), (189, 1052999), (353, 563787), (399, 498789), (471, 422541), (513, 387947), (1059, 187929), (1099, 181089), (1197, 166263), (1413, 140847), (2471, 80541), (2983, 66717), (3177, 62643), (3297, 60363), (3591, 55421), (4239, 46949), (6707, 29673), (7413, 26847), (8949, 22239), (9531, 20881), (9891, 20121)]