About the Number

71281329

71281328 ← → 71281330

2進数表記:100001111111010101010110001

漢数字表記:七千百二十八万千三百二十九

素因数分解:

3 1 × 7 2 × 41 1 × 11827 1

素因数の和:11885
約数の個数: 24
約数和(自身を含む): 113264928
約数和(自身を除く): 41983599

約数列:
[1, 3, 7, 21, 41, 49, 123, 147, 287, 861, 2009, 6027, 11827, 35481, 82789, 248367, 484907, 579523, 1454721, 1738569, 3394349, 10183047, 23760443, 71281329]

約数ペア:
[(1, 71281329), (3, 23760443), (7, 10183047), (21, 3394349), (41, 1738569), (49, 1454721), (123, 579523), (147, 484907), (287, 248367), (861, 82789), (2009, 35481), (6027, 11827)]

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