209884257

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{2687}}^1$

素因数の和:2970

約数の個数: 32

約数和(自身を含む): 340623360

約数和(自身を除く): 130739103

約数列:

[1, 3, 9, 11, 27, 33, 99, 263, 297, 789, 2367, 2687, 2893, 7101, 8061, 8679, 24183, 26037, 29557, 72549, 78111, 88671, 266013, 706681, 798039, 2120043, 6360129, 7773491, 19080387, 23320473, 69961419, 209884257]

約数ペア:

[(1, 209884257), (3, 69961419), (9, 23320473), (11, 19080387), (27, 7773491), (33, 6360129), (99, 2120043), (263, 798039), (297, 706681), (789, 266013), (2367, 88671), (2687, 78111), (2893, 72549), (7101, 29557), (8061, 26037), (8679, 24183)]