256148973

素因数分解:

$3^5\times {\mathrm{67}}^1\times {\mathrm{15733}}^1$

素因数の和:15815

約数の個数: 24

約数和(自身を含む): 389447968

約数和(自身を除く): 133298995

約数列:

[1, 3, 9, 27, 67, 81, 201, 243, 603, 1809, 5427, 15733, 16281, 47199, 141597, 424791, 1054111, 1274373, 3162333, 3823119, 9486999, 28460997, 85382991, 256148973]

約数ペア:

[(1, 256148973), (3, 85382991), (9, 28460997), (27, 9486999), (67, 3823119), (81, 3162333), (201, 1274373), (243, 1054111), (603, 424791), (1809, 141597), (5427, 47199), (15733, 16281)]