1281111

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{307}}^1$

素因数の和:430

約数の個数: 16

約数和(自身を含む): 1862784

約数和(自身を除く): 581673

約数列:

[1, 3, 13, 39, 107, 307, 321, 921, 1391, 3991, 4173, 11973, 32849, 98547, 427037, 1281111]

約数ペア:

[(1, 1281111), (3, 427037), (13, 98547), (39, 32849), (107, 11973), (307, 4173), (321, 3991), (921, 1391)]