278840691

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{4217}}^1$

素因数の和:4336

約数の個数: 32

約数和(自身を含む): 431923200

約数和(自身を除く): 153082509

約数列:

[1, 3, 9, 27, 31, 79, 93, 237, 279, 711, 837, 2133, 2449, 4217, 7347, 12651, 22041, 37953, 66123, 113859, 130727, 333143, 392181, 999429, 1176543, 2998287, 3529629, 8994861, 10327433, 30982299, 92946897, 278840691]

約数ペア:

[(1, 278840691), (3, 92946897), (9, 30982299), (27, 10327433), (31, 8994861), (79, 3529629), (93, 2998287), (237, 1176543), (279, 999429), (711, 392181), (837, 333143), (2133, 130727), (2449, 113859), (4217, 66123), (7347, 37953), (12651, 22041)]