81042039

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{76963}}^1$

素因数の和:76988

約数の個数: 20

約数和(自身を含む): 130377016

約数和(自身を除く): 49334977

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 76963, 230889, 692667, 1000519, 2078001, 3001557, 6234003, 9004671, 27014013, 81042039]

約数ペア:

[(1, 81042039), (3, 27014013), (9, 9004671), (13, 6234003), (27, 3001557), (39, 2078001), (81, 1000519), (117, 692667), (351, 230889), (1053, 76963)]