778804929

素因数分解:

$3^3\times 7^1\times {\mathrm{4120661}}^1$

素因数の和:4120677

約数の個数: 16

約数和(自身を含む): 1318611840

約数和(自身を除く): 539806911

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 4120661, 12361983, 28844627, 37085949, 86533881, 111257847, 259601643, 778804929]

約数ペア:

[(1, 778804929), (3, 259601643), (7, 111257847), (9, 86533881), (21, 37085949), (27, 28844627), (63, 12361983), (189, 4120661)]