81796743

素因数分解:

$3^3\times 7^1\times {\mathrm{271}}^1\times {\mathrm{1597}}^1$

素因数の和:1884

約数の個数: 32

約数和(自身を含む): 139089920

約数和(自身を除く): 57293177

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 271, 813, 1597, 1897, 2439, 4791, 5691, 7317, 11179, 14373, 17073, 33537, 43119, 51219, 100611, 301833, 432787, 1298361, 3029509, 3895083, 9088527, 11685249, 27265581, 81796743]

約数ペア:

[(1, 81796743), (3, 27265581), (7, 11685249), (9, 9088527), (21, 3895083), (27, 3029509), (63, 1298361), (189, 432787), (271, 301833), (813, 100611), (1597, 51219), (1897, 43119), (2439, 33537), (4791, 17073), (5691, 14373), (7317, 11179)]