870621

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{397}}^1$

素因数の和:460

約数の個数: 16

約数和(自身を含む): 1260864

約数和(自身を除く): 390243

約数列:

[1, 3, 17, 43, 51, 129, 397, 731, 1191, 2193, 6749, 17071, 20247, 51213, 290207, 870621]

約数ペア:

[(1, 870621), (3, 290207), (17, 51213), (43, 20247), (51, 17071), (129, 6749), (397, 2193), (731, 1191)]