109898999

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^4$

素因数の和:148

約数の個数: 20

約数和(自身を含む): 137419920

約数和(自身を除く): 27520921

約数列:

[1, 7, 17, 31, 119, 217, 527, 961, 3689, 6727, 16337, 29791, 114359, 208537, 506447, 923521, 3545129, 6464647, 15699857, 109898999]

約数ペア:

[(1, 109898999), (7, 15699857), (17, 6464647), (31, 3545129), (119, 923521), (217, 506447), (527, 208537), (961, 114359), (3689, 29791), (6727, 16337)]