About the Number

121010985

121010984 ← → 121010986

2進数表記:111001101100111101100101001

漢数字表記:一億二千百一万九百八十五

素因数分解:

3 2 × 5 1 × 271 1 × 9923 1

素因数の和:10205
約数の個数: 24
約数和(自身を含む): 210547584
約数和(自身を除く): 89536599

約数列:
[1, 3, 5, 9, 15, 45, 271, 813, 1355, 2439, 4065, 9923, 12195, 29769, 49615, 89307, 148845, 446535, 2689133, 8067399, 13445665, 24202197, 40336995, 121010985]

約数ペア:
[(1, 121010985), (3, 40336995), (5, 24202197), (9, 13445665), (15, 8067399), (45, 2689133), (271, 446535), (813, 148845), (1355, 89307), (2439, 49615), (4065, 29769), (9923, 12195)]

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