57312981

素因数分解:

$3^3\times {\mathrm{11}}^2\times {\mathrm{53}}^1\times {\mathrm{331}}^1$

素因数の和:415

約数の個数: 48

約数和(自身を含む): 95376960

約数和(自身を除く): 38063979

約数列:

[1, 3, 9, 11, 27, 33, 53, 99, 121, 159, 297, 331, 363, 477, 583, 993, 1089, 1431, 1749, 2979, 3267, 3641, 5247, 6413, 8937, 10923, 15741, 17543, 19239, 32769, 40051, 52629, 57717, 98307, 120153, 157887, 173151, 192973, 360459, 473661, 578919, 1081377, 1736757, 2122703, 5210271, 6368109, 19104327, 57312981]

約数ペア:

[(1, 57312981), (3, 19104327), (9, 6368109), (11, 5210271), (27, 2122703), (33, 1736757), (53, 1081377), (99, 578919), (121, 473661), (159, 360459), (297, 192973), (331, 173151), (363, 157887), (477, 120153), (583, 98307), (993, 57717), (1089, 52629), (1431, 40051), (1749, 32769), (2979, 19239), (3267, 17543), (3641, 15741), (5247, 10923), (6413, 8937)]