161081855

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{181}}^1\times {\mathrm{1471}}^1$

素因数の和:1679

約数の個数: 24

約数和(自身を含む): 213787392

約数和(自身を除く): 52705537

約数列:

[1, 5, 11, 55, 121, 181, 605, 905, 1471, 1991, 7355, 9955, 16181, 21901, 80905, 109505, 177991, 266251, 889955, 1331255, 2928761, 14643805, 32216371, 161081855]

約数ペア:

[(1, 161081855), (5, 32216371), (11, 14643805), (55, 2928761), (121, 1331255), (181, 889955), (605, 266251), (905, 177991), (1471, 109505), (1991, 80905), (7355, 21901), (9955, 16181)]