81481338

素因数分解:

$2^1\times 3^2\times {\mathrm{691}}^1\times {\mathrm{6551}}^1$

素因数の和:7250

約数の個数: 24

約数和(自身を含む): 176825376

約数和(自身を除く): 95344038

約数列:

[1, 2, 3, 6, 9, 18, 691, 1382, 2073, 4146, 6219, 6551, 12438, 13102, 19653, 39306, 58959, 117918, 4526741, 9053482, 13580223, 27160446, 40740669, 81481338]

約数ペア:

[(1, 81481338), (2, 40740669), (3, 27160446), (6, 13580223), (9, 9053482), (18, 4526741), (691, 117918), (1382, 58959), (2073, 39306), (4146, 19653), (6219, 13102), (6551, 12438)]