81471993

素因数分解:

$3^1\times {\mathrm{199}}^1\times {\mathrm{239}}^1\times {\mathrm{571}}^1$

素因数の和:1012

約数の個数: 16

約数和(自身を含む): 109824000

約数和(自身を除く): 28352007

約数列:

[1, 3, 199, 239, 571, 597, 717, 1713, 47561, 113629, 136469, 142683, 340887, 409407, 27157331, 81471993]

約数ペア:

[(1, 81471993), (3, 27157331), (199, 409407), (239, 340887), (571, 142683), (597, 136469), (717, 113629), (1713, 47561)]