About the Number

121707131

121707130 ← → 121707132

2進数表記:111010000010001101001111011

漢数字表記:一億二千百七十万七千百三十一

素因数分解:

7 2 × 13 1 × 17 1 × 11239 1

素因数の和:11283
約数の個数: 24
約数和(自身を含む): 161451360
約数和(自身を除く): 39744229

約数列:
[1, 7, 13, 17, 49, 91, 119, 221, 637, 833, 1547, 10829, 11239, 78673, 146107, 191063, 550711, 1022749, 1337441, 2483819, 7159243, 9362087, 17386733, 121707131]

約数ペア:
[(1, 121707131), (7, 17386733), (13, 9362087), (17, 7159243), (49, 2483819), (91, 1337441), (119, 1022749), (221, 550711), (637, 191063), (833, 146107), (1547, 78673), (10829, 11239)]

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