85440957

素因数分解:

$3^1\times 7^3\times {\mathrm{43}}^1\times {\mathrm{1931}}^1$

素因数の和:1998

約数の個数: 32

約数和(自身を含む): 136012800

約数和(自身を除く): 50571843

約数列:

[1, 3, 7, 21, 43, 49, 129, 147, 301, 343, 903, 1029, 1931, 2107, 5793, 6321, 13517, 14749, 40551, 44247, 83033, 94619, 249099, 283857, 581231, 662333, 1743693, 1986999, 4068617, 12205851, 28480319, 85440957]

約数ペア:

[(1, 85440957), (3, 28480319), (7, 12205851), (21, 4068617), (43, 1986999), (49, 1743693), (129, 662333), (147, 581231), (301, 283857), (343, 249099), (903, 94619), (1029, 83033), (1931, 44247), (2107, 40551), (5793, 14749), (6321, 13517)]