81520943

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{7577}}^1$

素因数の和:7666

約数の個数: 16

約数和(自身を含む): 98210880

約数和(自身を除く): 16689937

約数列:

[1, 7, 29, 53, 203, 371, 1537, 7577, 10759, 53039, 219733, 401581, 1538131, 2811067, 11645849, 81520943]

約数ペア:

[(1, 81520943), (7, 11645849), (29, 2811067), (53, 1538131), (203, 401581), (371, 219733), (1537, 53039), (7577, 10759)]