7516557

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{1307}}^1$

素因数の和:1390

約数の個数: 20

約数和(自身を含む): 11395296

約数和(自身を除く): 3878739

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1307, 1917, 3921, 5751, 11763, 35289, 92797, 105867, 278391, 835173, 2505519, 7516557]

約数ペア:

[(1, 7516557), (3, 2505519), (9, 835173), (27, 278391), (71, 105867), (81, 92797), (213, 35289), (639, 11763), (1307, 5751), (1917, 3921)]