About the Number

200081205

200081204 ← → 200081206

2進数表記:1011111011001111111100110101

漢数字表記:二億八万千二百五

素因数分解:

3 3 × 5 1 × 227 1 × 6529 1

素因数の和:6770
約数の個数: 32
約数和(自身を含む): 357321600
約数和(自身を除く): 157240395

約数列:
[1, 3, 5, 9, 15, 27, 45, 135, 227, 681, 1135, 2043, 3405, 6129, 6529, 10215, 19587, 30645, 32645, 58761, 97935, 176283, 293805, 881415, 1482083, 4446249, 7410415, 13338747, 22231245, 40016241, 66693735, 200081205]

約数ペア:
[(1, 200081205), (3, 66693735), (5, 40016241), (9, 22231245), (15, 13338747), (27, 7410415), (45, 4446249), (135, 1482083), (227, 881415), (681, 293805), (1135, 176283), (2043, 97935), (3405, 58761), (6129, 32645), (6529, 30645), (10215, 19587)]

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