31395519

素因数分解:

$3^4\times {\mathrm{347}}^1\times {\mathrm{1117}}^1$

素因数の和:1476

約数の個数: 20

約数和(自身を含む): 47076744

約数和(自身を除く): 15681225

約数列:

[1, 3, 9, 27, 81, 347, 1041, 1117, 3123, 3351, 9369, 10053, 28107, 30159, 90477, 387599, 1162797, 3488391, 10465173, 31395519]

約数ペア:

[(1, 31395519), (3, 10465173), (9, 3488391), (27, 1162797), (81, 387599), (347, 90477), (1041, 30159), (1117, 28107), (3123, 10053), (3351, 9369)]