215781939

素因数分解:

$3^2\times {\mathrm{59}}^1\times {\mathrm{251}}^1\times {\mathrm{1619}}^1$

素因数の和:1935

約数の個数: 24

約数和(自身を含む): 318427200

約数和(自身を除く): 102645261

約数列:

[1, 3, 9, 59, 177, 251, 531, 753, 1619, 2259, 4857, 14571, 14809, 44427, 95521, 133281, 286563, 406369, 859689, 1219107, 3657321, 23975771, 71927313, 215781939]

約数ペア:

[(1, 215781939), (3, 71927313), (9, 23975771), (59, 3657321), (177, 1219107), (251, 859689), (531, 406369), (753, 286563), (1619, 133281), (2259, 95521), (4857, 44427), (14571, 14809)]