121581

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{79}}^1$

素因数の和:110

約数の個数: 20

約数和(自身を含む): 193600

約数和(自身を除く): 72019

約数列:

[1, 3, 9, 19, 27, 57, 79, 81, 171, 237, 513, 711, 1501, 1539, 2133, 4503, 6399, 13509, 40527, 121581]

約数ペア:

[(1, 121581), (3, 40527), (9, 13509), (19, 6399), (27, 4503), (57, 2133), (79, 1539), (81, 1501), (171, 711), (237, 513)]