3904119

素因数分解:

$3^4\times {\mathrm{157}}^1\times {\mathrm{307}}^1$

素因数の和:476

約数の個数: 20

約数和(自身を含む): 5888344

約数和(自身を除く): 1984225

約数列:

[1, 3, 9, 27, 81, 157, 307, 471, 921, 1413, 2763, 4239, 8289, 12717, 24867, 48199, 144597, 433791, 1301373, 3904119]

約数ペア:

[(1, 3904119), (3, 1301373), (9, 433791), (27, 144597), (81, 48199), (157, 24867), (307, 12717), (471, 8289), (921, 4239), (1413, 2763)]