81680313

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{4051}}^1$

素因数の和:4125

約数の個数: 32

約数和(自身を含む): 130701312

約数和(自身を除く): 49020999

約数列:

[1, 3, 11, 13, 33, 39, 47, 141, 143, 429, 517, 611, 1551, 1833, 4051, 6721, 12153, 20163, 44561, 52663, 133683, 157989, 190397, 571191, 579293, 1737879, 2094367, 2475161, 6283101, 7425483, 27226771, 81680313]

約数ペア:

[(1, 81680313), (3, 27226771), (11, 7425483), (13, 6283101), (33, 2475161), (39, 2094367), (47, 1737879), (141, 579293), (143, 571191), (429, 190397), (517, 157989), (611, 133683), (1551, 52663), (1833, 44561), (4051, 20163), (6721, 12153)]