About the Number

201992909721

201992909720 ← → 201992909722

2進数表記:10111100000111101101110011001110011001

漢数字表記:二千十九億九千二百九十万九千七百二十一

素因数分解:

3 1 × 29 1 × 107 1 × 1669 1 × 13001 1

素因数の和:14809
約数の個数: 32
約数和(自身を含む): 281404886400
約数和(自身を除く): 79411976679

約数列:
[1, 3, 29, 87, 107, 321, 1669, 3103, 5007, 9309, 13001, 39003, 48401, 145203, 178583, 377029, 535749, 1131087, 1391107, 4173321, 5178907, 15536721, 21698669, 40342103, 65096007, 121026309, 629261401, 1887784203, 2321757583, 6965272749, 67330969907, 201992909721]

約数ペア:
[(1, 201992909721), (3, 67330969907), (29, 6965272749), (87, 2321757583), (107, 1887784203), (321, 629261401), (1669, 121026309), (3103, 65096007), (5007, 40342103), (9309, 21698669), (13001, 15536721), (39003, 5178907), (48401, 4173321), (145203, 1391107), (178583, 1131087), (377029, 535749)]

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