31421103

素因数分解:

$3^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1$

素因数の和:216

約数の個数: 48

約数和(自身を含む): 51464160

約数和(自身を除く): 20043057

約数列:

[1, 3, 7, 21, 37, 49, 53, 109, 111, 147, 159, 259, 327, 371, 763, 777, 1113, 1813, 1961, 2289, 2597, 4033, 5341, 5439, 5777, 5883, 7791, 12099, 13727, 16023, 17331, 28231, 40439, 41181, 84693, 96089, 121317, 197617, 213749, 283073, 288267, 592851, 641247, 849219, 1496243, 4488729, 10473701, 31421103]

約数ペア:

[(1, 31421103), (3, 10473701), (7, 4488729), (21, 1496243), (37, 849219), (49, 641247), (53, 592851), (109, 288267), (111, 283073), (147, 213749), (159, 197617), (259, 121317), (327, 96089), (371, 84693), (763, 41181), (777, 40439), (1113, 28231), (1813, 17331), (1961, 16023), (2289, 13727), (2597, 12099), (4033, 7791), (5341, 5883), (5439, 5777)]