About the Number

129483921

129483920 ← → 129483922

2進数表記:111101101111100010010010001

漢数字表記:一億二千九百四十八万三千九百二十一

素因数分解:

3 1 × 7 2 × 139 1 × 6337 1

素因数の和:6493
約数の個数: 24
約数和(自身を含む): 202308960
約数和(自身を除く): 72825039

約数列:
[1, 3, 7, 21, 49, 139, 147, 417, 973, 2919, 6337, 6811, 19011, 20433, 44359, 133077, 310513, 880843, 931539, 2642529, 6165901, 18497703, 43161307, 129483921]

約数ペア:
[(1, 129483921), (3, 43161307), (7, 18497703), (21, 6165901), (49, 2642529), (139, 931539), (147, 880843), (417, 310513), (973, 133077), (2919, 44359), (6337, 20433), (6811, 19011)]

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