About the Number

201228705

201228704 ← → 201228706

2進数表記:1011111111101000000110100001

漢数字表記:二億百二十二万八千七百五

素因数分解:

3 4 × 5 1 × 113 1 × 4397 1

素因数の和:4527
約数の個数: 40
約数和(自身を含む): 363996072
約数和(自身を除く): 162767367

約数列:
[1, 3, 5, 9, 15, 27, 45, 81, 113, 135, 339, 405, 565, 1017, 1695, 3051, 4397, 5085, 9153, 13191, 15255, 21985, 39573, 45765, 65955, 118719, 197865, 356157, 496861, 593595, 1490583, 1780785, 2484305, 4471749, 7452915, 13415247, 22358745, 40245741, 67076235, 201228705]

約数ペア:
[(1, 201228705), (3, 67076235), (5, 40245741), (9, 22358745), (15, 13415247), (27, 7452915), (45, 4471749), (81, 2484305), (113, 1780785), (135, 1490583), (339, 593595), (405, 496861), (565, 356157), (1017, 197865), (1695, 118719), (3051, 65955), (4397, 45765), (5085, 39573), (9153, 21985), (13191, 15255)]

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