856702917

素因数分解:

$3^2\times 7^2\times {\mathrm{1259}}^1\times {\mathrm{1543}}^1$

素因数の和:2822

約数の個数: 36

約数和(自身を含む): 1441571040

約数和(自身を除く): 584868123

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 1259, 1543, 3777, 4629, 8813, 10801, 11331, 13887, 26439, 32403, 61691, 75607, 79317, 97209, 185073, 226821, 555219, 680463, 1942637, 5827911, 13598459, 17483733, 40795377, 95189213, 122386131, 285567639, 856702917]

約数ペア:

[(1, 856702917), (3, 285567639), (7, 122386131), (9, 95189213), (21, 40795377), (49, 17483733), (63, 13598459), (147, 5827911), (441, 1942637), (1259, 680463), (1543, 555219), (3777, 226821), (4629, 185073), (8813, 97209), (10801, 79317), (11331, 75607), (13887, 61691), (26439, 32403)]