55497309

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{139091}}^1$

素因数の和:139120

約数の個数: 16

約数和(自身を含む): 89018880

約数和(自身を除く): 33521571

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 139091, 417273, 973637, 2642729, 2920911, 7928187, 18499103, 55497309]

約数ペア:

[(1, 55497309), (3, 18499103), (7, 7928187), (19, 2920911), (21, 2642729), (57, 973637), (133, 417273), (399, 139091)]