81901455

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^2\times {\mathrm{2953}}^1$

素因数の和:3047

約数の個数: 24

約数和(自身を含む): 134206128

約数和(自身を除く): 52304673

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 1849, 2953, 5547, 8859, 9245, 14765, 27735, 44295, 126979, 380937, 634895, 1904685, 5460097, 16380291, 27300485, 81901455]

約数ペア:

[(1, 81901455), (3, 27300485), (5, 16380291), (15, 5460097), (43, 1904685), (129, 634895), (215, 380937), (645, 126979), (1849, 44295), (2953, 27735), (5547, 14765), (8859, 9245)]