251807241

素因数分解:

$3^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{227}}^1\times {\mathrm{523}}^1$

素因数の和:861

約数の個数: 32

約数和(自身を含む): 389956608

約数和(自身を除く): 138149367

約数列:

[1, 3, 7, 21, 101, 227, 303, 523, 681, 707, 1569, 1589, 2121, 3661, 4767, 10983, 22927, 52823, 68781, 118721, 158469, 160489, 356163, 369761, 481467, 831047, 1109283, 2493141, 11990821, 35972463, 83935747, 251807241]

約数ペア:

[(1, 251807241), (3, 83935747), (7, 35972463), (21, 11990821), (101, 2493141), (227, 1109283), (303, 831047), (523, 481467), (681, 369761), (707, 356163), (1569, 160489), (1589, 158469), (2121, 118721), (3661, 68781), (4767, 52823), (10983, 22927)]