31246761

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{197}}^1$

素因数の和:310

約数の個数: 48

約数和(自身を含む): 53089344

約数和(自身を除く): 21842583

約数列:

[1, 3, 7, 13, 21, 39, 49, 83, 91, 147, 197, 249, 273, 581, 591, 637, 1079, 1379, 1743, 1911, 2561, 3237, 4067, 4137, 7553, 7683, 9653, 12201, 16351, 17927, 22659, 28959, 49053, 52871, 53781, 114457, 125489, 158613, 212563, 343371, 376467, 637689, 801199, 1487941, 2403597, 4463823, 10415587, 31246761]

約数ペア:

[(1, 31246761), (3, 10415587), (7, 4463823), (13, 2403597), (21, 1487941), (39, 801199), (49, 637689), (83, 376467), (91, 343371), (147, 212563), (197, 158613), (249, 125489), (273, 114457), (581, 53781), (591, 52871), (637, 49053), (1079, 28959), (1379, 22659), (1743, 17927), (1911, 16351), (2561, 12201), (3237, 9653), (4067, 7683), (4137, 7553)]