8540259

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1$

素因数の和:180

約数の個数: 48

約数和(自身を含む): 14747040

約数和(自身を除く): 6206781

約数列:

[1, 3, 7, 13, 21, 39, 41, 49, 91, 109, 123, 147, 273, 287, 327, 533, 637, 763, 861, 1417, 1599, 1911, 2009, 2289, 3731, 4251, 4469, 5341, 6027, 9919, 11193, 13407, 16023, 26117, 29757, 31283, 58097, 69433, 78351, 93849, 174291, 208299, 218981, 406679, 656943, 1220037, 2846753, 8540259]

約数ペア:

[(1, 8540259), (3, 2846753), (7, 1220037), (13, 656943), (21, 406679), (39, 218981), (41, 208299), (49, 174291), (91, 93849), (109, 78351), (123, 69433), (147, 58097), (273, 31283), (287, 29757), (327, 26117), (533, 16023), (637, 13407), (763, 11193), (861, 9919), (1417, 6027), (1599, 5341), (1911, 4469), (2009, 4251), (2289, 3731)]