20133981

素因数分解:

$3^3\times 7^1\times {\mathrm{307}}^1\times {\mathrm{347}}^1$

素因数の和:670

約数の個数: 32

約数和(自身を含む): 34298880

約数和(自身を除く): 14164899

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 307, 347, 921, 1041, 2149, 2429, 2763, 3123, 6447, 7287, 8289, 9369, 19341, 21861, 58023, 65583, 106529, 319587, 745703, 958761, 2237109, 2876283, 6711327, 20133981]

約数ペア:

[(1, 20133981), (3, 6711327), (7, 2876283), (9, 2237109), (21, 958761), (27, 745703), (63, 319587), (189, 106529), (307, 65583), (347, 58023), (921, 21861), (1041, 19341), (2149, 9369), (2429, 8289), (2763, 7287), (3123, 6447)]