128210217

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{8431}}^1$

素因数の和:8608

約数の個数: 16

約数和(自身を含む): 176869632

約数和(自身を除く): 48659415

約数列:

[1, 3, 37, 111, 137, 411, 5069, 8431, 15207, 25293, 311947, 935841, 1155047, 3465141, 42736739, 128210217]

約数ペア:

[(1, 128210217), (3, 42736739), (37, 3465141), (111, 1155047), (137, 935841), (411, 311947), (5069, 25293), (8431, 15207)]