209280457851

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{179}}^1\times {\mathrm{130211}}^1$

素因数の和:130507

約数の個数: 32

約数和(自身を含む): 291383205120

約数和(自身を除く): 82102747269

約数列:

[1, 3, 41, 73, 123, 179, 219, 537, 2993, 7339, 8979, 13067, 22017, 39201, 130211, 390633, 535747, 1607241, 5338651, 9505403, 16015953, 23307769, 28516209, 69923307, 389721523, 955618529, 1169164569, 1701467137, 2866855587, 5104401411, 69760152617, 209280457851]

約数ペア:

[(1, 209280457851), (3, 69760152617), (41, 5104401411), (73, 2866855587), (123, 1701467137), (179, 1169164569), (219, 955618529), (537, 389721523), (2993, 69923307), (7339, 28516209), (8979, 23307769), (13067, 16015953), (22017, 9505403), (39201, 5338651), (130211, 1607241), (390633, 535747)]