291502017

素因数分解:

$3^3\times {\mathrm{1543}}^1\times {\mathrm{6997}}^1$

素因数の和:8549

約数の個数: 16

約数和(自身を含む): 432196480

約数和(自身を除く): 140694463

約数列:

[1, 3, 9, 27, 1543, 4629, 6997, 13887, 20991, 41661, 62973, 188919, 10796371, 32389113, 97167339, 291502017]

約数ペア:

[(1, 291502017), (3, 97167339), (9, 32389113), (27, 10796371), (1543, 188919), (4629, 62973), (6997, 41661), (13887, 20991)]