291240591

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{613}}^1$

素因数の和:815

約数の個数: 32

約数和(自身を含む): 414965760

約数和(自身を除く): 123725169

約数列:

[1, 3, 29, 43, 87, 127, 129, 381, 613, 1247, 1839, 3683, 3741, 5461, 11049, 16383, 17777, 26359, 53331, 77851, 79077, 158369, 233553, 475107, 764411, 2257679, 2293233, 3347593, 6773037, 10042779, 97080197, 291240591]

約数ペア:

[(1, 291240591), (3, 97080197), (29, 10042779), (43, 6773037), (87, 3347593), (127, 2293233), (129, 2257679), (381, 764411), (613, 475107), (1247, 233553), (1839, 158369), (3683, 79077), (3741, 77851), (5461, 53331), (11049, 26359), (16383, 17777)]