217420803

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{797}}^1\times {\mathrm{1783}}^1$

素因数の和:2603

約数の個数: 24

約数和(自身を含む): 333129888

約数和(自身を除く): 115709085

約数列:

[1, 3, 9, 17, 51, 153, 797, 1783, 2391, 5349, 7173, 13549, 16047, 30311, 40647, 90933, 121941, 272799, 1421051, 4263153, 12789459, 24157867, 72473601, 217420803]

約数ペア:

[(1, 217420803), (3, 72473601), (9, 24157867), (17, 12789459), (51, 4263153), (153, 1421051), (797, 272799), (1783, 121941), (2391, 90933), (5349, 40647), (7173, 30311), (13549, 16047)]