217654911

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{463}}^1\times {\mathrm{757}}^1$

素因数の和:1252

約数の個数: 32

約数和(自身を含む): 337643520

約数和(自身を除く): 119988609

約数列:

[1, 3, 9, 23, 27, 69, 207, 463, 621, 757, 1389, 2271, 4167, 6813, 10649, 12501, 17411, 20439, 31947, 52233, 95841, 156699, 287523, 350491, 470097, 1051473, 3154419, 8061293, 9463257, 24183879, 72551637, 217654911]

約数ペア:

[(1, 217654911), (3, 72551637), (9, 24183879), (23, 9463257), (27, 8061293), (69, 3154419), (207, 1051473), (463, 470097), (621, 350491), (757, 287523), (1389, 156699), (2271, 95841), (4167, 52233), (6813, 31947), (10649, 20439), (12501, 17411)]