289377501

素因数分解:

$3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{108503}}^1$

素因数の和:108640

約数の個数: 16

約数和(自身を含む): 444432384

約数和(自身を除く): 155054883

約数列:

[1, 3, 7, 21, 127, 381, 889, 2667, 108503, 325509, 759521, 2278563, 13779881, 41339643, 96459167, 289377501]

約数ペア:

[(1, 289377501), (3, 96459167), (7, 41339643), (21, 13779881), (127, 2278563), (381, 759521), (889, 325509), (2667, 108503)]