2019090807

素因数分解:

$3^4\times {\mathrm{157}}^1\times {\mathrm{158771}}^1$

素因数の和:158940

約数の個数: 20

約数和(自身を含む): 3035403096

約数和(自身を除く): 1016312289

約数列:

[1, 3, 9, 27, 81, 157, 471, 1413, 4239, 12717, 158771, 476313, 1428939, 4286817, 12860451, 24927047, 74781141, 224343423, 673030269, 2019090807]

約数ペア:

[(1, 2019090807), (3, 673030269), (9, 224343423), (27, 74781141), (81, 24927047), (157, 12860451), (471, 4286817), (1413, 1428939), (4239, 476313), (12717, 158771)]