About the Number

129162705

129162704 ← → 129162706

2進数表記:111101100101101110111010001

漢数字表記:一億二千九百十六万二千七百五

素因数分解:

3 1 × 5 1 × 7 1 × 661 1 × 1861 1

素因数の和:2537
約数の個数: 32
約数和(自身を含む): 236667648
約数和(自身を除く): 107504943

約数列:
[1, 3, 5, 7, 15, 21, 35, 105, 661, 1861, 1983, 3305, 4627, 5583, 9305, 9915, 13027, 13881, 23135, 27915, 39081, 65135, 69405, 195405, 1230121, 3690363, 6150605, 8610847, 18451815, 25832541, 43054235, 129162705]

約数ペア:
[(1, 129162705), (3, 43054235), (5, 25832541), (7, 18451815), (15, 8610847), (21, 6150605), (35, 3690363), (105, 1230121), (661, 195405), (1861, 69405), (1983, 65135), (3305, 39081), (4627, 27915), (5583, 23135), (9305, 13881), (9915, 13027)]

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