81436005

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{258527}}^1$

素因数の和:258545

約数の個数: 24

約数和(自身を含む): 161321472

約数和(自身を除く): 79885467

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 258527, 775581, 1292635, 1809689, 2326743, 3877905, 5429067, 9048445, 11633715, 16287201, 27145335, 81436005]

約数ペア:

[(1, 81436005), (3, 27145335), (5, 16287201), (7, 11633715), (9, 9048445), (15, 5429067), (21, 3877905), (35, 2326743), (45, 1809689), (63, 1292635), (105, 775581), (315, 258527)]