81171699

素因数分解:

$3^1\times 7^1\times {\mathrm{487}}^1\times {\mathrm{7937}}^1$

素因数の和:8434

約数の個数: 16

約数和(自身を含む): 123959808

約数和(自身を除く): 42788109

約数列:

[1, 3, 7, 21, 487, 1461, 3409, 7937, 10227, 23811, 55559, 166677, 3865319, 11595957, 27057233, 81171699]

約数ペア:

[(1, 81171699), (3, 27057233), (7, 11595957), (21, 3865319), (487, 166677), (1461, 55559), (3409, 23811), (7937, 10227)]