66551949

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{257}}^1$

素因数の和:431

約数の個数: 40

約数和(自身を含む): 104892480

約数和(自身を除く): 38340531

約数列:

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

約数ペア:

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