311930406

素因数分解:

$2^1\times 3^3\times {\mathrm{71}}^1\times {\mathrm{81359}}^1$

素因数の和:81441

約数の個数: 32

約数和(自身を含む): 702950400

約数和(自身を除く): 391019994

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 71, 142, 213, 426, 639, 1278, 1917, 3834, 81359, 162718, 244077, 488154, 732231, 1464462, 2196693, 4393386, 5776489, 11552978, 17329467, 34658934, 51988401, 103976802, 155965203, 311930406]

約数ペア:

[(1, 311930406), (2, 155965203), (3, 103976802), (6, 51988401), (9, 34658934), (18, 17329467), (27, 11552978), (54, 5776489), (71, 4393386), (142, 2196693), (213, 1464462), (426, 732231), (639, 488154), (1278, 244077), (1917, 162718), (3834, 81359)]