2855867721

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{2893483}}^1$

素因数の和:2893540

約数の個数: 16

約数和(自身を含む): 4444391424

約数和(自身を除く): 1588523703

約数列:

[1, 3, 7, 21, 47, 141, 329, 987, 2893483, 8680449, 20254381, 60763143, 135993701, 407981103, 951955907, 2855867721]

約数ペア:

[(1, 2855867721), (3, 951955907), (7, 407981103), (21, 135993701), (47, 60763143), (141, 20254381), (329, 8680449), (987, 2893483)]