137020023

素因数分解:

$3^2\times 7^2\times {\mathrm{157}}^1\times {\mathrm{1979}}^1$

素因数の和:2156

約数の個数: 36

約数和(自身を含む): 231814440

約数和(自身を除く): 94794417

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 157, 441, 471, 1099, 1413, 1979, 3297, 5937, 7693, 9891, 13853, 17811, 23079, 41559, 69237, 96971, 124677, 290913, 310703, 872739, 932109, 2174921, 2796327, 6524763, 15224447, 19574289, 45673341, 137020023]

約数ペア:

[(1, 137020023), (3, 45673341), (7, 19574289), (9, 15224447), (21, 6524763), (49, 2796327), (63, 2174921), (147, 932109), (157, 872739), (441, 310703), (471, 290913), (1099, 124677), (1413, 96971), (1979, 69237), (3297, 41559), (5937, 23079), (7693, 17811), (9891, 13853)]