7857507

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{419}}^1$

素因数の和:495

約数の個数: 32

約数和(自身を含む): 12902400

約数和(自身を除く): 5044893

約数列:

[1, 3, 7, 19, 21, 47, 57, 133, 141, 329, 399, 419, 893, 987, 1257, 2679, 2933, 6251, 7961, 8799, 18753, 19693, 23883, 55727, 59079, 137851, 167181, 374167, 413553, 1122501, 2619169, 7857507]

約数ペア:

[(1, 7857507), (3, 2619169), (7, 1122501), (19, 413553), (21, 374167), (47, 167181), (57, 137851), (133, 59079), (141, 55727), (329, 23883), (399, 19693), (419, 18753), (893, 8799), (987, 7961), (1257, 6251), (2679, 2933)]