15943221

素因数分解:

$3^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{3049}}^1$

素因数の和:3145

約数の個数: 24

約数和(自身を含む): 26644800

約数和(自身を除く): 10701579

約数列:

[1, 3, 7, 9, 21, 63, 83, 249, 581, 747, 1743, 3049, 5229, 9147, 21343, 27441, 64029, 192087, 253067, 759201, 1771469, 2277603, 5314407, 15943221]

約数ペア:

[(1, 15943221), (3, 5314407), (7, 2277603), (9, 1771469), (21, 759201), (63, 253067), (83, 192087), (249, 64029), (581, 27441), (747, 21343), (1743, 9147), (3049, 5229)]