1231929

素因数分解:

$3^4\times {\mathrm{67}}^1\times {\mathrm{227}}^1$

素因数の和:306

約数の個数: 20

約数和(自身を含む): 1875984

約数和(自身を除く): 644055

約数列:

[1, 3, 9, 27, 67, 81, 201, 227, 603, 681, 1809, 2043, 5427, 6129, 15209, 18387, 45627, 136881, 410643, 1231929]

約数ペア:

[(1, 1231929), (3, 410643), (9, 136881), (27, 45627), (67, 18387), (81, 15209), (201, 6129), (227, 5427), (603, 2043), (681, 1809)]