About the Number

12981330

12981329 ← → 12981331

2進数表記:110001100001010001010010

漢数字表記:千二百九十八万千三百三十

素因数分解:

2 1 × 3 3 × 5 1 × 48079 1

素因数の和:48095
約数の個数: 32
約数和(自身を含む): 34617600
約数和(自身を除く): 21636270

約数列:
[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 48079, 96158, 144237, 240395, 288474, 432711, 480790, 721185, 865422, 1298133, 1442370, 2163555, 2596266, 4327110, 6490665, 12981330]

約数ペア:
[(1, 12981330), (2, 6490665), (3, 4327110), (5, 2596266), (6, 2163555), (9, 1442370), (10, 1298133), (15, 865422), (18, 721185), (27, 480790), (30, 432711), (45, 288474), (54, 240395), (90, 144237), (135, 96158), (270, 48079)]

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