40187499

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{223}}^1$

素因数の和:407

約数の個数: 32

約数和(自身を含む): 60555264

約数和(自身を除く): 20367765

約数列:

[1, 3, 11, 33, 43, 127, 129, 223, 381, 473, 669, 1397, 1419, 2453, 4191, 5461, 7359, 9589, 16383, 28321, 28767, 60071, 84963, 105479, 180213, 311531, 316437, 934593, 1217803, 3653409, 13395833, 40187499]

約数ペア:

[(1, 40187499), (3, 13395833), (11, 3653409), (33, 1217803), (43, 934593), (127, 316437), (129, 311531), (223, 180213), (381, 105479), (473, 84963), (669, 60071), (1397, 28767), (1419, 28321), (2453, 16383), (4191, 9589), (5461, 7359)]