213080907

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{557}}^1\times {\mathrm{577}}^1$

素因数の和:1167

約数の個数: 32

約数和(自身を含む): 325104192

約数和(自身を除く): 112023285

約数列:

[1, 3, 13, 17, 39, 51, 221, 557, 577, 663, 1671, 1731, 7241, 7501, 9469, 9809, 21723, 22503, 28407, 29427, 123097, 127517, 321389, 369291, 382551, 964167, 4178057, 5463613, 12534171, 16390839, 71026969, 213080907]

約数ペア:

[(1, 213080907), (3, 71026969), (13, 16390839), (17, 12534171), (39, 5463613), (51, 4178057), (221, 964167), (557, 382551), (577, 369291), (663, 321389), (1671, 127517), (1731, 123097), (7241, 29427), (7501, 28407), (9469, 22503), (9809, 21723)]