81722439

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{53101}}^1$

素因数の和:53132

約数の個数: 20

約数和(自身を含む): 128506840

約数和(自身を除く): 46784401

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 53101, 159303, 477909, 1008919, 1433727, 3026757, 4301181, 9080271, 27240813, 81722439]

約数ペア:

[(1, 81722439), (3, 27240813), (9, 9080271), (19, 4301181), (27, 3026757), (57, 1433727), (81, 1008919), (171, 477909), (513, 159303), (1539, 53101)]