31293379

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:199

約数の個数: 32

約数和(自身を含む): 37920960

約数和(自身を除く): 6627581

約数列:

[1, 13, 17, 37, 43, 89, 221, 481, 559, 629, 731, 1157, 1513, 1591, 3293, 3827, 8177, 9503, 19669, 20683, 27047, 42809, 49751, 55981, 65059, 141599, 351611, 727753, 845767, 1840787, 2407183, 31293379]

約数ペア:

[(1, 31293379), (13, 2407183), (17, 1840787), (37, 845767), (43, 727753), (89, 351611), (221, 141599), (481, 65059), (559, 55981), (629, 49751), (731, 42809), (1157, 27047), (1513, 20683), (1591, 19669), (3293, 9503), (3827, 8177)]