1388891787

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{997}}^1\times {\mathrm{10799}}^1$

素因数の和:11842

約数の個数: 16

約数和(自身を含む): 1896998400

約数和(自身を除く): 508106613

約数列:

[1, 3, 43, 129, 997, 2991, 10799, 32397, 42871, 128613, 464357, 1393071, 10766603, 32299809, 462963929, 1388891787]

約数ペア:

[(1, 1388891787), (3, 462963929), (43, 32299809), (129, 10766603), (997, 1393071), (2991, 464357), (10799, 128613), (32397, 42871)]