7121513

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:197

約数の個数: 24

約数和(自身を含む): 8864640

約数和(自身を除く): 1743127

約数列:

[1, 7, 23, 49, 71, 89, 161, 497, 623, 1127, 1633, 2047, 3479, 4361, 6319, 11431, 14329, 44233, 80017, 100303, 145337, 309631, 1017359, 7121513]

約数ペア:

[(1, 7121513), (7, 1017359), (23, 309631), (49, 145337), (71, 100303), (89, 80017), (161, 44233), (497, 14329), (623, 11431), (1127, 6319), (1633, 4361), (2047, 3479)]