About the Number

121987998

121987997 ← → 121987999

2進数表記:111010001010110001110011110

漢数字表記:一億二千百九十八万七千九百九十八

素因数分解:

2 1 × 3 3 × 11 1 × 23 1 × 8929 1

素因数の和:8974
約数の個数: 64
約数和(自身を含む): 308620800
約数和(自身を除く): 186632802

約数列:
[1, 2, 3, 6, 9, 11, 18, 22, 23, 27, 33, 46, 54, 66, 69, 99, 138, 198, 207, 253, 297, 414, 506, 594, 621, 759, 1242, 1518, 2277, 4554, 6831, 8929, 13662, 17858, 26787, 53574, 80361, 98219, 160722, 196438, 205367, 241083, 294657, 410734, 482166, 589314, 616101, 883971, 1232202, 1767942, 1848303, 2259037, 2651913, 3696606, 4518074, 5303826, 5544909, 6777111, 11089818, 13554222, 20331333, 40662666, 60993999, 121987998]

約数ペア:
[(1, 121987998), (2, 60993999), (3, 40662666), (6, 20331333), (9, 13554222), (11, 11089818), (18, 6777111), (22, 5544909), (23, 5303826), (27, 4518074), (33, 3696606), (46, 2651913), (54, 2259037), (66, 1848303), (69, 1767942), (99, 1232202), (138, 883971), (198, 616101), (207, 589314), (253, 482166), (297, 410734), (414, 294657), (506, 241083), (594, 205367), (621, 196438), (759, 160722), (1242, 98219), (1518, 80361), (2277, 53574), (4554, 26787), (6831, 17858), (8929, 13662)]

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