201817287

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{45119}}^1$

素因数の和:45203

約数の個数: 24

約数和(自身を含む): 337858560

約数和(自身を除く): 136041273

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 639, 1491, 4473, 45119, 135357, 315833, 406071, 947499, 2842497, 3203449, 9610347, 22424143, 28831041, 67272429, 201817287]

約数ペア:

[(1, 201817287), (3, 67272429), (7, 28831041), (9, 22424143), (21, 9610347), (63, 3203449), (71, 2842497), (213, 947499), (497, 406071), (639, 315833), (1491, 135357), (4473, 45119)]