31279581

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{157}}^2$

素因数の和:370

約数の個数: 24

約数和(自身を含む): 47629440

約数和(自身を除く): 16349859

約数列:

[1, 3, 9, 27, 47, 141, 157, 423, 471, 1269, 1413, 4239, 7379, 22137, 24649, 66411, 73947, 199233, 221841, 665523, 1158503, 3475509, 10426527, 31279581]

約数ペア:

[(1, 31279581), (3, 10426527), (9, 3475509), (27, 1158503), (47, 665523), (141, 221841), (157, 199233), (423, 73947), (471, 66411), (1269, 24649), (1413, 22137), (4239, 7379)]