7897491

素因数分解:

$3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{1871}}^1$

素因数の和:1951

約数の個数: 24

約数和(自身を含む): 13238784

約数和(自身を除く): 5341293

約数列:

[1, 3, 7, 9, 21, 63, 67, 201, 469, 603, 1407, 1871, 4221, 5613, 13097, 16839, 39291, 117873, 125357, 376071, 877499, 1128213, 2632497, 7897491]

約数ペア:

[(1, 7897491), (3, 2632497), (7, 1128213), (9, 877499), (21, 376071), (63, 125357), (67, 117873), (201, 39291), (469, 16839), (603, 13097), (1407, 5613), (1871, 4221)]