127980853

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{197}}^1$

素因数の和:298

約数の個数: 48

約数和(自身を含む): 176964480

約数和(自身を除く): 48983627

約数列:

[1, 7, 11, 13, 59, 77, 91, 121, 143, 197, 413, 649, 767, 847, 1001, 1379, 1573, 2167, 2561, 4543, 5369, 7139, 8437, 11011, 11623, 15169, 17927, 23837, 28171, 49973, 59059, 81361, 92807, 127853, 151099, 166859, 197197, 309881, 649649, 894971, 1057693, 1406383, 1662089, 2169167, 9844681, 11634623, 18282979, 127980853]

約数ペア:

[(1, 127980853), (7, 18282979), (11, 11634623), (13, 9844681), (59, 2169167), (77, 1662089), (91, 1406383), (121, 1057693), (143, 894971), (197, 649649), (413, 309881), (649, 197197), (767, 166859), (847, 151099), (1001, 127853), (1379, 92807), (1573, 81361), (2167, 59059), (2561, 49973), (4543, 28171), (5369, 23837), (7139, 17927), (8437, 15169), (11011, 11623)]