31680213

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{277}}^1\times {\mathrm{569}}^1$

素因数の和:916

約数の個数: 16

約数和(自身を含む): 43101120

約数和(自身を除く): 11420907

約数列:

[1, 3, 67, 201, 277, 569, 831, 1707, 18559, 38123, 55677, 114369, 157613, 472839, 10560071, 31680213]

約数ペア:

[(1, 31680213), (3, 10560071), (67, 472839), (201, 157613), (277, 114369), (569, 55677), (831, 38123), (1707, 18559)]