About the Number

129897351

129897350 ← → 129897352

2進数表記:111101111100001001110000111

漢数字表記:一億二千九百八十九万七千三百五十一

素因数分解:

3 5 × 29 1 × 18433 1

素因数の和:18477
約数の個数: 24
約数和(自身を含む): 201299280
約数和(自身を除く): 71401929

約数列:
[1, 3, 9, 27, 29, 81, 87, 243, 261, 783, 2349, 7047, 18433, 55299, 165897, 497691, 534557, 1493073, 1603671, 4479219, 4811013, 14433039, 43299117, 129897351]

約数ペア:
[(1, 129897351), (3, 43299117), (9, 14433039), (27, 4811013), (29, 4479219), (81, 1603671), (87, 1493073), (243, 534557), (261, 497691), (783, 165897), (2349, 55299), (7047, 18433)]

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