31239621

素因数分解:

$3^3\times 7^1\times {\mathrm{67}}^1\times {\mathrm{2467}}^1$

素因数の和:2550

約数の個数: 32

約数和(自身を含む): 53703680

約数和(自身を除く): 22464059

約数列:

[1, 3, 7, 9, 21, 27, 63, 67, 189, 201, 469, 603, 1407, 1809, 2467, 4221, 7401, 12663, 17269, 22203, 51807, 66609, 155421, 165289, 466263, 495867, 1157023, 1487601, 3471069, 4462803, 10413207, 31239621]

約数ペア:

[(1, 31239621), (3, 10413207), (7, 4462803), (9, 3471069), (21, 1487601), (27, 1157023), (63, 495867), (67, 466263), (189, 165289), (201, 155421), (469, 66609), (603, 51807), (1407, 22203), (1809, 17269), (2467, 12663), (4221, 7401)]