About the Number

172106145

172106144 ← → 172106146

2進数表記:1010010000100010000110100001

漢数字表記:一億七千二百十万六千百四十五

素因数分解:

3 2 × 5 1 × 199 1 × 19219 1

素因数の和:19429
約数の個数: 24
約数和(自身を含む): 299832000
約数和(自身を除く): 127725855

約数列:
[1, 3, 5, 9, 15, 45, 199, 597, 995, 1791, 2985, 8955, 19219, 57657, 96095, 172971, 288285, 864855, 3824581, 11473743, 19122905, 34421229, 57368715, 172106145]

約数ペア:
[(1, 172106145), (3, 57368715), (5, 34421229), (9, 19122905), (15, 11473743), (45, 3824581), (199, 864855), (597, 288285), (995, 172971), (1791, 96095), (2985, 57657), (8955, 19219)]

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