1777888521

素因数分解:

$3^4\times {\mathrm{1789}}^1\times {\mathrm{12269}}^1$

素因数の和:14070

約数の個数: 20

約数和(自身を含む): 2657559300

約数和(自身を除く): 879670779

約数列:

[1, 3, 9, 27, 81, 1789, 5367, 12269, 16101, 36807, 48303, 110421, 144909, 331263, 993789, 21949241, 65847723, 197543169, 592629507, 1777888521]

約数ペア:

[(1, 1777888521), (3, 592629507), (9, 197543169), (27, 65847723), (81, 21949241), (1789, 993789), (5367, 331263), (12269, 144909), (16101, 110421), (36807, 48303)]