211321917

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{29387}}^1$

素因数の和:29457

約数の個数: 24

約数和(自身を含む): 330086016

約数和(自身を除く): 118764099

約数列:

[1, 3, 9, 17, 47, 51, 141, 153, 423, 799, 2397, 7191, 29387, 88161, 264483, 499579, 1381189, 1498737, 4143567, 4496211, 12430701, 23480213, 70440639, 211321917]

約数ペア:

[(1, 211321917), (3, 70440639), (9, 23480213), (17, 12430701), (47, 4496211), (51, 4143567), (141, 1498737), (153, 1381189), (423, 499579), (799, 264483), (2397, 88161), (7191, 29387)]