7155421

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{239}}^1$

素因数の和:313

約数の個数: 24

約数和(自身を含む): 9192960

約数和(自身を除く): 2037539

約数列:

[1, 7, 13, 47, 49, 91, 239, 329, 611, 637, 1673, 2303, 3107, 4277, 11233, 11711, 21749, 29939, 78631, 146029, 152243, 550417, 1022203, 7155421]

約数ペア:

[(1, 7155421), (7, 1022203), (13, 550417), (47, 152243), (49, 146029), (91, 78631), (239, 29939), (329, 21749), (611, 11711), (637, 11233), (1673, 4277), (2303, 3107)]