81434185

素因数分解:

$5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{17761}}^1$

素因数の和:17904

約数の個数: 16

約数和(自身を含む): 112540032

約数和(自身を除く): 31105847

約数列:

[1, 5, 7, 35, 131, 655, 917, 4585, 17761, 88805, 124327, 621635, 2326691, 11633455, 16286837, 81434185]

約数ペア:

[(1, 81434185), (5, 16286837), (7, 11633455), (35, 2326691), (131, 621635), (655, 124327), (917, 88805), (4585, 17761)]