31708179

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{23027}}^1$

素因数の和:23056

約数の個数: 20

約数和(自身を含む): 50154984

約数和(自身を除く): 18446805

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 23027, 69081, 207243, 391459, 621729, 1174377, 1865187, 3523131, 10569393, 31708179]

約数ペア:

[(1, 31708179), (3, 10569393), (9, 3523131), (17, 1865187), (27, 1174377), (51, 621729), (81, 391459), (153, 207243), (459, 69081), (1377, 23027)]