257248467

素因数分解:

$3^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23879}}^1$

素因数の和:23917

約数の個数: 40

約数和(自身を含む): 462316800

約数和(自身を除く): 205068333

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 81, 133, 171, 189, 399, 513, 567, 1197, 1539, 3591, 10773, 23879, 71637, 167153, 214911, 453701, 501459, 644733, 1361103, 1504377, 1934199, 3175907, 4083309, 4513131, 9527721, 12249927, 13539393, 28583163, 36749781, 85749489, 257248467]

約数ペア:

[(1, 257248467), (3, 85749489), (7, 36749781), (9, 28583163), (19, 13539393), (21, 12249927), (27, 9527721), (57, 4513131), (63, 4083309), (81, 3175907), (133, 1934199), (171, 1504377), (189, 1361103), (399, 644733), (513, 501459), (567, 453701), (1197, 214911), (1539, 167153), (3591, 71637), (10773, 23879)]