4031289

素因数分解:

$3^4\times {\mathrm{157}}^1\times {\mathrm{317}}^1$

素因数の和:486

約数の個数: 20

約数和(自身を含む): 6079524

約数和(自身を除く): 2048235

約数列:

[1, 3, 9, 27, 81, 157, 317, 471, 951, 1413, 2853, 4239, 8559, 12717, 25677, 49769, 149307, 447921, 1343763, 4031289]

約数ペア:

[(1, 4031289), (3, 1343763), (9, 447921), (27, 149307), (81, 49769), (157, 25677), (317, 12717), (471, 8559), (951, 4239), (1413, 2853)]