25209639

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{30781}}^1$

素因数の和:30807

約数の個数: 24

約数和(自身を含む): 44818592

約数和(自身を除く): 19608953

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 30781, 92343, 215467, 277029, 400153, 646401, 1200459, 1939203, 2801071, 3601377, 8403213, 25209639]

約数ペア:

[(1, 25209639), (3, 8403213), (7, 3601377), (9, 2801071), (13, 1939203), (21, 1200459), (39, 646401), (63, 400153), (91, 277029), (117, 215467), (273, 92343), (819, 30781)]