209912481

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{29191}}^1$

素因数の和:29261

約数の個数: 24

約数和(自身を含む): 327884544

約数和(自身を除く): 117972063

約数列:

[1, 3, 9, 17, 47, 51, 141, 153, 423, 799, 2397, 7191, 29191, 87573, 262719, 496247, 1371977, 1488741, 4115931, 4466223, 12347793, 23323609, 69970827, 209912481]

約数ペア:

[(1, 209912481), (3, 69970827), (9, 23323609), (17, 12347793), (47, 4466223), (51, 4115931), (141, 1488741), (153, 1371977), (423, 496247), (799, 262719), (2397, 87573), (7191, 29191)]