120813231

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{16871}}^1$

素因数の和:16923

約数の個数: 32

約数和(自身を含む): 207323136

約数和(自身を除く): 86509905

約数列:

[1, 3, 7, 11, 21, 31, 33, 77, 93, 217, 231, 341, 651, 1023, 2387, 7161, 16871, 50613, 118097, 185581, 354291, 523001, 556743, 1299067, 1569003, 3661007, 3897201, 5753011, 10983021, 17259033, 40271077, 120813231]

約数ペア:

[(1, 120813231), (3, 40271077), (7, 17259033), (11, 10983021), (21, 5753011), (31, 3897201), (33, 3661007), (77, 1569003), (93, 1299067), (217, 556743), (231, 523001), (341, 354291), (651, 185581), (1023, 118097), (2387, 50613), (7161, 16871)]