405173691

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{491}}^1\times {\mathrm{2351}}^1$

素因数の和:2864

約数の個数: 32

約数和(自身を含む): 648023040

約数和(自身を除く): 242849349

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 491, 1473, 2351, 4419, 6383, 7053, 13257, 19149, 21159, 30563, 57447, 63477, 91689, 172341, 275067, 825201, 1154341, 3463023, 10389069, 15006433, 31167207, 45019299, 135057897, 405173691]

約数ペア:

[(1, 405173691), (3, 135057897), (9, 45019299), (13, 31167207), (27, 15006433), (39, 10389069), (117, 3463023), (351, 1154341), (491, 825201), (1473, 275067), (2351, 172341), (4419, 91689), (6383, 63477), (7053, 57447), (13257, 30563), (19149, 21159)]