1288396977

素因数分解:

$3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{571}}^1\times {\mathrm{773}}^1$

素因数の和:1493

約数の個数: 32

約数和(自身を含む): 1983421440

約数和(自身を除く): 695024463

約数列:

[1, 3, 7, 21, 139, 417, 571, 773, 973, 1713, 2319, 2919, 3997, 5411, 11991, 16233, 79369, 107447, 238107, 322341, 441383, 555583, 752129, 1324149, 1666749, 2256387, 3089681, 9269043, 61352237, 184056711, 429465659, 1288396977]

約数ペア:

[(1, 1288396977), (3, 429465659), (7, 184056711), (21, 61352237), (139, 9269043), (417, 3089681), (571, 2256387), (773, 1666749), (973, 1324149), (1713, 752129), (2319, 555583), (2919, 441383), (3997, 322341), (5411, 238107), (11991, 107447), (16233, 79369)]