31705479

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{1531}}^1$

素因数の和:1612

約数の個数: 32

約数和(自身を含む): 51475200

約数和(自身を除く): 19769721

約数列:

[1, 3, 9, 13, 27, 39, 59, 117, 177, 351, 531, 767, 1531, 1593, 2301, 4593, 6903, 13779, 19903, 20709, 41337, 59709, 90329, 179127, 270987, 537381, 812961, 1174277, 2438883, 3522831, 10568493, 31705479]

約数ペア:

[(1, 31705479), (3, 10568493), (9, 3522831), (13, 2438883), (27, 1174277), (39, 812961), (59, 537381), (117, 270987), (177, 179127), (351, 90329), (531, 59709), (767, 41337), (1531, 20709), (1593, 19903), (2301, 13779), (4593, 6903)]