About the Number

201520953

201520952 ← → 201520954

2進数表記:1100000000101111011100111001

漢数字表記:二億百五十二万九百五十三

素因数分解:

3 4 × 73 1 × 173 1 × 197 1

素因数の和:455
約数の個数: 40
約数和(自身を含む): 308483208
約数和(自身を除く): 106962255

約数列:
[1, 3, 9, 27, 73, 81, 173, 197, 219, 519, 591, 657, 1557, 1773, 1971, 4671, 5319, 5913, 12629, 14013, 14381, 15957, 34081, 37887, 43143, 102243, 113661, 129429, 306729, 340983, 388287, 920187, 1022949, 1164861, 2487913, 2760561, 7463739, 22391217, 67173651, 201520953]

約数ペア:
[(1, 201520953), (3, 67173651), (9, 22391217), (27, 7463739), (73, 2760561), (81, 2487913), (173, 1164861), (197, 1022949), (219, 920187), (519, 388287), (591, 340983), (657, 306729), (1557, 129429), (1773, 113661), (1971, 102243), (4671, 43143), (5319, 37887), (5913, 34081), (12629, 15957), (14013, 14381)]

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