About the Number

2889729

2889728 ← → 2889730

2進数表記:1011000001100000000001

漢数字表記:二百八十八万九千七百二十九

素因数分解:

3 3 × 19 1 × 43 1 × 131 1

素因数の和:202
約数の個数: 32
約数和(自身を含む): 4646400
約数和(自身を除く): 1756671

約数列:
[1, 3, 9, 19, 27, 43, 57, 129, 131, 171, 387, 393, 513, 817, 1161, 1179, 2451, 2489, 3537, 5633, 7353, 7467, 16899, 22059, 22401, 50697, 67203, 107027, 152091, 321081, 963243, 2889729]

約数ペア:
[(1, 2889729), (3, 963243), (9, 321081), (19, 152091), (27, 107027), (43, 67203), (57, 50697), (129, 22401), (131, 22059), (171, 16899), (387, 7467), (393, 7353), (513, 5633), (817, 3537), (1161, 2489), (1179, 2451)]

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