66640557

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{283}}^1\times {\mathrm{1481}}^1$

素因数の和:1820

約数の個数: 16

約数和(自身を含む): 90911808

約数和(自身を除く): 24271251

約数列:

[1, 3, 53, 159, 283, 849, 1481, 4443, 14999, 44997, 78493, 235479, 419123, 1257369, 22213519, 66640557]

約数ペア:

[(1, 66640557), (3, 22213519), (53, 1257369), (159, 419123), (283, 235479), (849, 78493), (1481, 44997), (4443, 14999)]