277207917

素因数分解:

$3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{128159}}^1$

素因数の和:128272

約数の個数: 16

約数和(自身を含む): 426516480

約数和(自身を除く): 149308563

約数列:

[1, 3, 7, 21, 103, 309, 721, 2163, 128159, 384477, 897113, 2691339, 13200377, 39601131, 92402639, 277207917]

約数ペア:

[(1, 277207917), (3, 92402639), (7, 39601131), (21, 13200377), (103, 2691339), (309, 897113), (721, 384477), (2163, 128159)]