81215445

素因数分解:

$3^1\times 5^1\times {\mathrm{1021}}^1\times {\mathrm{5303}}^1$

素因数の和:6332

約数の個数: 16

約数和(自身を含む): 130096512

約数和(自身を除く): 48881067

約数列:

[1, 3, 5, 15, 1021, 3063, 5105, 5303, 15315, 15909, 26515, 79545, 5414363, 16243089, 27071815, 81215445]

約数ペア:

[(1, 81215445), (3, 27071815), (5, 16243089), (15, 5414363), (1021, 79545), (3063, 26515), (5105, 15909), (5303, 15315)]