188021979

素因数分解:

$3^5\times {\mathrm{397}}^1\times {\mathrm{1949}}^1$

素因数の和:2361

約数の個数: 24

約数和(自身を含む): 282500400

約数和(自身を除く): 94478421

約数列:

[1, 3, 9, 27, 81, 243, 397, 1191, 1949, 3573, 5847, 10719, 17541, 32157, 52623, 96471, 157869, 473607, 773753, 2321259, 6963777, 20891331, 62673993, 188021979]

約数ペア:

[(1, 188021979), (3, 62673993), (9, 20891331), (27, 6963777), (81, 2321259), (243, 773753), (397, 473607), (1191, 157869), (1949, 96471), (3573, 52623), (5847, 32157), (10719, 17541)]