About the Number

210006105

210006104 ← → 210006106

2進数表記:1100100001000111000001011001

漢数字表記:二億千万六千百五

素因数分解:

3 1 × 5 1 × 47 1 × 297881 1

素因数の和:297936
約数の個数: 16
約数和(自身を含む): 343160064
約数和(自身を除く): 133153959

約数列:
[1, 3, 5, 15, 47, 141, 235, 705, 297881, 893643, 1489405, 4468215, 14000407, 42001221, 70002035, 210006105]

約数ペア:
[(1, 210006105), (3, 70002035), (5, 42001221), (15, 14000407), (47, 4468215), (141, 1489405), (235, 893643), (705, 297881)]

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