81497517

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{53}}^2\times {\mathrm{509}}^1$

素因数の和:637

約数の個数: 24

約数和(自身を含む): 116810400

約数和(自身を除く): 35312883

約数列:

[1, 3, 19, 53, 57, 159, 509, 1007, 1527, 2809, 3021, 8427, 9671, 26977, 29013, 53371, 80931, 160113, 512563, 1429781, 1537689, 4289343, 27165839, 81497517]

約数ペア:

[(1, 81497517), (3, 27165839), (19, 4289343), (53, 1537689), (57, 1429781), (159, 512563), (509, 160113), (1007, 80931), (1527, 53371), (2809, 29013), (3021, 26977), (8427, 9671)]