2091081555

素因数分解:

$3^3\times 5^1\times {\mathrm{15489493}}^1$

素因数の和:15489507

約数の個数: 16

約数和(自身を含む): 3717478560

約数和(自身を除く): 1626397005

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 15489493, 46468479, 77447465, 139405437, 232342395, 418216311, 697027185, 2091081555]

約数ペア:

[(1, 2091081555), (3, 697027185), (5, 418216311), (9, 232342395), (15, 139405437), (27, 77447465), (45, 46468479), (135, 15489493)]