210565887

素因数分解:

$3^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{13907}}^1$

素因数の和:14027

約数の個数: 24

約数和(自身を含む): 329786496

約数和(自身を除く): 119220609

約数列:

[1, 3, 7, 21, 49, 103, 147, 309, 721, 2163, 5047, 13907, 15141, 41721, 97349, 292047, 681443, 1432421, 2044329, 4297263, 10026947, 30080841, 70188629, 210565887]

約数ペア:

[(1, 210565887), (3, 70188629), (7, 30080841), (21, 10026947), (49, 4297263), (103, 2044329), (147, 1432421), (309, 681443), (721, 292047), (2163, 97349), (5047, 41721), (13907, 15141)]