2819859

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{2857}}^1$

素因数の和:2914

約数の個数: 16

約数和(自身を含む): 4389888

約数和(自身を除く): 1570029

約数列:

[1, 3, 7, 21, 47, 141, 329, 987, 2857, 8571, 19999, 59997, 134279, 402837, 939953, 2819859]

約数ペア:

[(1, 2819859), (3, 939953), (7, 402837), (21, 134279), (47, 59997), (141, 19999), (329, 8571), (987, 2857)]