About the Number

121640211

121640210 ← → 121640212

2進数表記:111010000000001010100010011

漢数字表記:一億二千百六十四万二百十一

素因数分解:

3 6 × 7 1 × 11 2 × 197 1

素因数の和:244
約数の個数: 84
約数和(自身を含む): 230264496
約数和(自身を除く): 108624285

約数列:
[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 81, 99, 121, 189, 197, 231, 243, 297, 363, 567, 591, 693, 729, 847, 891, 1089, 1379, 1701, 1773, 2079, 2167, 2541, 2673, 3267, 4137, 5103, 5319, 6237, 6501, 7623, 8019, 9801, 12411, 15169, 15957, 18711, 19503, 22869, 23837, 29403, 37233, 45507, 47871, 56133, 58509, 68607, 71511, 88209, 111699, 136521, 143613, 166859, 175527, 205821, 214533, 335097, 409563, 500577, 526581, 617463, 643599, 1005291, 1228689, 1501731, 1579743, 1930797, 3686067, 4505193, 5792391, 11058201, 13515579, 17377173, 40546737, 121640211]

約数ペア:
[(1, 121640211), (3, 40546737), (7, 17377173), (9, 13515579), (11, 11058201), (21, 5792391), (27, 4505193), (33, 3686067), (63, 1930797), (77, 1579743), (81, 1501731), (99, 1228689), (121, 1005291), (189, 643599), (197, 617463), (231, 526581), (243, 500577), (297, 409563), (363, 335097), (567, 214533), (591, 205821), (693, 175527), (729, 166859), (847, 143613), (891, 136521), (1089, 111699), (1379, 88209), (1701, 71511), (1773, 68607), (2079, 58509), (2167, 56133), (2541, 47871), (2673, 45507), (3267, 37233), (4137, 29403), (5103, 23837), (5319, 22869), (6237, 19503), (6501, 18711), (7623, 15957), (8019, 15169), (9801, 12411)]

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