About the Number

201090945

201090944 ← → 201090946

2進数表記:1011111111000110011110000001

漢数字表記:二億百九万九百四十五

素因数分解:

3 1 × 5 1 × 11 1 × 79 1 × 15427 1

素因数の和:15525
約数の個数: 32
約数和(自身を含む): 355461120
約数和(自身を除く): 154370175

約数列:
[1, 3, 5, 11, 15, 33, 55, 79, 165, 237, 395, 869, 1185, 2607, 4345, 13035, 15427, 46281, 77135, 169697, 231405, 509091, 848485, 1218733, 2545455, 3656199, 6093665, 13406063, 18280995, 40218189, 67030315, 201090945]

約数ペア:
[(1, 201090945), (3, 67030315), (5, 40218189), (11, 18280995), (15, 13406063), (33, 6093665), (55, 3656199), (79, 2545455), (165, 1218733), (237, 848485), (395, 509091), (869, 231405), (1185, 169697), (2607, 77135), (4345, 46281), (13035, 15427)]

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