278852847

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{9371}}^1$

素因数の和:9503

約数の個数: 32

約数和(自身を含む): 461852160

約数和(自身を除く): 182999313

約数列:

[1, 3, 7, 13, 21, 39, 91, 109, 273, 327, 763, 1417, 2289, 4251, 9371, 9919, 28113, 29757, 65597, 121823, 196791, 365469, 852761, 1021439, 2558283, 3064317, 7150073, 13278707, 21450219, 39836121, 92950949, 278852847]

約数ペア:

[(1, 278852847), (3, 92950949), (7, 39836121), (13, 21450219), (21, 13278707), (39, 7150073), (91, 3064317), (109, 2558283), (273, 1021439), (327, 852761), (763, 365469), (1417, 196791), (2289, 121823), (4251, 65597), (9371, 29757), (9919, 28113)]