2516553

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{157}}^1$

素因数の和:313

約数の個数: 24

約数和(自身を含む): 3968328

約数和(自身を除く): 1451775

約数列:

[1, 3, 9, 13, 39, 117, 137, 157, 411, 471, 1233, 1413, 1781, 2041, 5343, 6123, 16029, 18369, 21509, 64527, 193581, 279617, 838851, 2516553]

約数ペア:

[(1, 2516553), (3, 838851), (9, 279617), (13, 193581), (39, 64527), (117, 21509), (137, 18369), (157, 16029), (411, 6123), (471, 5343), (1233, 2041), (1413, 1781)]