About the Number

201228165

201228164 ← → 201228166

2進数表記:1011111111100111111110000101

漢数字表記:二億百二十二万八千百六十五

素因数分解:

3 3 × 5 1 × 349 1 × 4271 1

素因数の和:4634
約数の個数: 32
約数和(自身を含む): 358848000
約数和(自身を除く): 157619835

約数列:
[1, 3, 5, 9, 15, 27, 45, 135, 349, 1047, 1745, 3141, 4271, 5235, 9423, 12813, 15705, 21355, 38439, 47115, 64065, 115317, 192195, 576585, 1490579, 4471737, 7452895, 13415211, 22358685, 40245633, 67076055, 201228165]

約数ペア:
[(1, 201228165), (3, 67076055), (5, 40245633), (9, 22358685), (15, 13415211), (27, 7452895), (45, 4471737), (135, 1490579), (349, 576585), (1047, 192195), (1745, 115317), (3141, 64065), (4271, 47115), (5235, 38439), (9423, 21355), (12813, 15705)]

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