199655847

素因数分解:

$3^5\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{257}}^1$

素因数の和:434

約数の個数: 48

約数和(自身を含む): 315544320

約数和(自身を除く): 115888473

約数列:

[1, 3, 9, 23, 27, 69, 81, 139, 207, 243, 257, 417, 621, 771, 1251, 1863, 2313, 3197, 3753, 5589, 5911, 6939, 9591, 11259, 17733, 20817, 28773, 33777, 35723, 53199, 62451, 86319, 107169, 159597, 258957, 321507, 478791, 776871, 821629, 964521, 1436373, 2464887, 2893563, 7394661, 8680689, 22183983, 66551949, 199655847]

約数ペア:

[(1, 199655847), (3, 66551949), (9, 22183983), (23, 8680689), (27, 7394661), (69, 2893563), (81, 2464887), (139, 1436373), (207, 964521), (243, 821629), (257, 776871), (417, 478791), (621, 321507), (771, 258957), (1251, 159597), (1863, 107169), (2313, 86319), (3197, 62451), (3753, 53199), (5589, 35723), (5911, 33777), (6939, 28773), (9591, 20817), (11259, 17733)]