81946221

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^3$

素因数の和:206

約数の個数: 32

約数和(自身を含む): 133708800

約数和(自身を除く): 51762579

約数列:

[1, 3, 7, 19, 21, 57, 59, 133, 177, 399, 413, 1121, 1239, 3363, 3481, 7847, 10443, 23541, 24367, 66139, 73101, 198417, 205379, 462973, 616137, 1388919, 1437653, 3902201, 4312959, 11706603, 27315407, 81946221]

約数ペア:

[(1, 81946221), (3, 27315407), (7, 11706603), (19, 4312959), (21, 3902201), (57, 1437653), (59, 1388919), (133, 616137), (177, 462973), (399, 205379), (413, 198417), (1121, 73101), (1239, 66139), (3363, 24367), (3481, 23541), (7847, 10443)]