68587641

素因数分解:

$3^4\times {\mathrm{641}}^1\times {\mathrm{1321}}^1$

素因数の和:1974

約数の個数: 20

約数和(自身を含む): 102695604

約数和(自身を除く): 34107963

約数列:

[1, 3, 9, 27, 81, 641, 1321, 1923, 3963, 5769, 11889, 17307, 35667, 51921, 107001, 846761, 2540283, 7620849, 22862547, 68587641]

約数ペア:

[(1, 68587641), (3, 22862547), (9, 7620849), (27, 2540283), (81, 846761), (641, 107001), (1321, 51921), (1923, 35667), (3963, 17307), (5769, 11889)]