210853209

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{239}}^1\times {\mathrm{977}}^1$

素因数の和:1269

約数の個数: 32

約数和(自身を含む): 330485760

約数和(自身を除く): 119632551

約数列:

[1, 3, 7, 21, 43, 129, 239, 301, 717, 903, 977, 1673, 2931, 5019, 6839, 10277, 20517, 30831, 42011, 71939, 126033, 215817, 233503, 294077, 700509, 882231, 1634521, 4903563, 10040629, 30121887, 70284403, 210853209]

約数ペア:

[(1, 210853209), (3, 70284403), (7, 30121887), (21, 10040629), (43, 4903563), (129, 1634521), (239, 882231), (301, 700509), (717, 294077), (903, 233503), (977, 215817), (1673, 126033), (2931, 71939), (5019, 42011), (6839, 30831), (10277, 20517)]