1289709

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{1291}}^1$

素因数の和:1337

約数の個数: 16

約数和(自身を含む): 1963840

約数和(自身を除く): 674131

約数列:

[1, 3, 9, 27, 37, 111, 333, 999, 1291, 3873, 11619, 34857, 47767, 143301, 429903, 1289709]

約数ペア:

[(1, 1289709), (3, 429903), (9, 143301), (27, 47767), (37, 34857), (111, 11619), (333, 3873), (999, 1291)]