87984549

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{15299}}^1$

素因数の和:15382

約数の個数: 20

約数和(自身を含む): 133293600

約数和(自身を除く): 45309051

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1917, 5751, 15299, 45897, 137691, 413073, 1086229, 1239219, 3258687, 9776061, 29328183, 87984549]

約数ペア:

[(1, 87984549), (3, 29328183), (9, 9776061), (27, 3258687), (71, 1239219), (81, 1086229), (213, 413073), (639, 137691), (1917, 45897), (5751, 15299)]