51806139

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{1637}}^1$

素因数の和:1795

約数の個数: 32

約数和(自身を含む): 86800896

約数和(自身を除く): 34994757

約数列:

[1, 3, 7, 11, 21, 33, 77, 137, 231, 411, 959, 1507, 1637, 2877, 4521, 4911, 10549, 11459, 18007, 31647, 34377, 54021, 126049, 224269, 378147, 672807, 1569883, 2466959, 4709649, 7400877, 17268713, 51806139]

約数ペア:

[(1, 51806139), (3, 17268713), (7, 7400877), (11, 4709649), (21, 2466959), (33, 1569883), (77, 672807), (137, 378147), (231, 224269), (411, 126049), (959, 54021), (1507, 34377), (1637, 31647), (2877, 18007), (4521, 11459), (4911, 10549)]