209564493

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{601}}^1\times {\mathrm{2473}}^1$

素因数の和:3124

約数の個数: 16

約数和(自身を含む): 285954816

約数和(自身を除く): 76390323

約数列:

[1, 3, 47, 141, 601, 1803, 2473, 7419, 28247, 84741, 116231, 348693, 1486273, 4458819, 69854831, 209564493]

約数ペア:

[(1, 209564493), (3, 69854831), (47, 4458819), (141, 1486273), (601, 348693), (1803, 116231), (2473, 84741), (7419, 28247)]