31540887

素因数分解:

$3^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{3881}}^1$

素因数の和:3940

約数の個数: 32

約数和(自身を含む): 54658560

約数和(自身を除く): 23117673

約数列:

[1, 3, 7, 9, 21, 27, 43, 63, 129, 189, 301, 387, 903, 1161, 2709, 3881, 8127, 11643, 27167, 34929, 81501, 104787, 166883, 244503, 500649, 733509, 1168181, 1501947, 3504543, 4505841, 10513629, 31540887]

約数ペア:

[(1, 31540887), (3, 10513629), (7, 4505841), (9, 3504543), (21, 1501947), (27, 1168181), (43, 733509), (63, 500649), (129, 244503), (189, 166883), (301, 104787), (387, 81501), (903, 34929), (1161, 27167), (2709, 11643), (3881, 8127)]