About the Number

2009091405

2009091404 ← → 2009091406

2進数表記:1110111110000000100110101001101

漢数字表記:二十億九百九万千四百五

素因数分解:

3 1 × 5 1 × 53 1 × 139 1 × 18181 1

素因数の和:18381
約数の個数: 32
約数和(自身を含む): 3298942080
約数和(自身を除く): 1289850675

約数列:
[1, 3, 5, 15, 53, 139, 159, 265, 417, 695, 795, 2085, 7367, 18181, 22101, 36835, 54543, 90905, 110505, 272715, 963593, 2527159, 2890779, 4817965, 7581477, 12635795, 14453895, 37907385, 133939427, 401818281, 669697135, 2009091405]

約数ペア:
[(1, 2009091405), (3, 669697135), (5, 401818281), (15, 133939427), (53, 37907385), (139, 14453895), (159, 12635795), (265, 7581477), (417, 4817965), (695, 2890779), (795, 2527159), (2085, 963593), (7367, 272715), (18181, 110505), (22101, 90905), (36835, 54543)]

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