79840971

素因数分解:

$3^4\times 7^1\times {\mathrm{140813}}^1$

素因数の和:140832

約数の個数: 20

約数和(自身を含む): 136307952

約数和(自身を除く): 56466981

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 140813, 422439, 985691, 1267317, 2957073, 3801951, 8871219, 11405853, 26613657, 79840971]

約数ペア:

[(1, 79840971), (3, 26613657), (7, 11405853), (9, 8871219), (21, 3801951), (27, 2957073), (63, 1267317), (81, 985691), (189, 422439), (567, 140813)]