1997644917

素因数分解:

$3^1\times {\mathrm{431}}^1\times {\mathrm{991}}^1\times {\mathrm{1559}}^1$

素因数の和:2984

約数の個数: 16

約数和(自身を含む): 2674114560

約数和(自身を除く): 676469643

約数列:

[1, 3, 431, 991, 1293, 1559, 2973, 4677, 427121, 671929, 1281363, 1544969, 2015787, 4634907, 665881639, 1997644917]

約数ペア:

[(1, 1997644917), (3, 665881639), (431, 4634907), (991, 2015787), (1293, 1544969), (1559, 1281363), (2973, 671929), (4677, 427121)]