31290765

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{2671}}^1$

素因数の和:2761

約数の個数: 32

約数和(自身を含む): 55406592

約数和(自身を除く): 24115827

約数列:

[1, 3, 5, 11, 15, 33, 55, 71, 165, 213, 355, 781, 1065, 2343, 2671, 3905, 8013, 11715, 13355, 29381, 40065, 88143, 146905, 189641, 440715, 568923, 948205, 2086051, 2844615, 6258153, 10430255, 31290765]

約数ペア:

[(1, 31290765), (3, 10430255), (5, 6258153), (11, 2844615), (15, 2086051), (33, 948205), (55, 568923), (71, 440715), (165, 189641), (213, 146905), (355, 88143), (781, 40065), (1065, 29381), (2343, 13355), (2671, 11715), (3905, 8013)]