About the Number

27813990

27813989 ← → 27813991

2進数表記:1101010000110100001100110

漢数字表記:二千七百八十一万三千九百九十

素因数分解:

2 1 × 3 1 × 5 1 × 41 1 × 22613 1

素因数の和:22664
約数の個数: 32
約数和(自身を含む): 68384736
約数和(自身を除く): 40570746

約数列:
[1, 2, 3, 5, 6, 10, 15, 30, 41, 82, 123, 205, 246, 410, 615, 1230, 22613, 45226, 67839, 113065, 135678, 226130, 339195, 678390, 927133, 1854266, 2781399, 4635665, 5562798, 9271330, 13906995, 27813990]

約数ペア:
[(1, 27813990), (2, 13906995), (3, 9271330), (5, 5562798), (6, 4635665), (10, 2781399), (15, 1854266), (30, 927133), (41, 678390), (82, 339195), (123, 226130), (205, 135678), (246, 113065), (410, 67839), (615, 45226), (1230, 22613)]

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