About the Number

130122981

130122980 ← → 130122982

2進数表記:111110000011000010011100101

漢数字表記:一億三千十二万二千九百八十一

素因数分解:

3 2 × 17 1 × 457 1 × 1861 1

素因数の和:2341
約数の個数: 24
約数和(自身を含む): 199554264
約数和(自身を除く): 69431283

約数列:
[1, 3, 9, 17, 51, 153, 457, 1371, 1861, 4113, 5583, 7769, 16749, 23307, 31637, 69921, 94911, 284733, 850477, 2551431, 7654293, 14458109, 43374327, 130122981]

約数ペア:
[(1, 130122981), (3, 43374327), (9, 14458109), (17, 7654293), (51, 2551431), (153, 850477), (457, 284733), (1371, 94911), (1861, 69921), (4113, 31637), (5583, 23307), (7769, 16749)]

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