About the Number

201217401

201217400 ← → 201217402

2進数表記:1011111111100101010101111001

漢数字表記:二億百二十一万七千四百一

素因数分解:

3 2 × 7 1 × 11 1 × 103 1 × 2819 1

素因数の和:2946
約数の個数: 48
約数和(自身を含む): 366013440
約数和(自身を除く): 164796039

約数列:
[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 103, 231, 309, 693, 721, 927, 1133, 2163, 2819, 3399, 6489, 7931, 8457, 10197, 19733, 23793, 25371, 31009, 59199, 71379, 93027, 177597, 217063, 279081, 290357, 651189, 871071, 1953567, 2032499, 2613213, 3193927, 6097497, 9581781, 18292491, 22357489, 28745343, 67072467, 201217401]

約数ペア:
[(1, 201217401), (3, 67072467), (7, 28745343), (9, 22357489), (11, 18292491), (21, 9581781), (33, 6097497), (63, 3193927), (77, 2613213), (99, 2032499), (103, 1953567), (231, 871071), (309, 651189), (693, 290357), (721, 279081), (927, 217063), (1133, 177597), (2163, 93027), (2819, 71379), (3399, 59199), (6489, 31009), (7931, 25371), (8457, 23793), (10197, 19733)]

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