About the Number

201997125

201997124 ← → 201997126

2進数表記:1100000010100011101101000101

漢数字表記:二億百九十九万七千百二十五

素因数分解:

3 3 × 5 3 × 11 1 × 5441 1

素因数の和:5476
約数の個数: 64
約数和(自身を含む): 407496960
約数和(自身を除く): 205499835

約数列:
[1, 3, 5, 9, 11, 15, 25, 27, 33, 45, 55, 75, 99, 125, 135, 165, 225, 275, 297, 375, 495, 675, 825, 1125, 1375, 1485, 2475, 3375, 4125, 5441, 7425, 12375, 16323, 27205, 37125, 48969, 59851, 81615, 136025, 146907, 179553, 244845, 299255, 408075, 538659, 680125, 734535, 897765, 1224225, 1496275, 1615977, 2040375, 2693295, 3672675, 4488825, 6121125, 7481375, 8079885, 13466475, 18363375, 22444125, 40399425, 67332375, 201997125]

約数ペア:
[(1, 201997125), (3, 67332375), (5, 40399425), (9, 22444125), (11, 18363375), (15, 13466475), (25, 8079885), (27, 7481375), (33, 6121125), (45, 4488825), (55, 3672675), (75, 2693295), (99, 2040375), (125, 1615977), (135, 1496275), (165, 1224225), (225, 897765), (275, 734535), (297, 680125), (375, 538659), (495, 408075), (675, 299255), (825, 244845), (1125, 179553), (1375, 146907), (1485, 136025), (2475, 81615), (3375, 59851), (4125, 48969), (5441, 37125), (7425, 27205), (12375, 16323)]

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