1313808579

素因数分解:

$3^4\times {\mathrm{773}}^1\times {\mathrm{20983}}^1$

素因数の和:21768

約数の個数: 20

約数和(自身を含む): 1965235536

約数和(自身を除く): 651426957

約数列:

[1, 3, 9, 27, 81, 773, 2319, 6957, 20871, 20983, 62613, 62949, 188847, 566541, 1699623, 16219859, 48659577, 145978731, 437936193, 1313808579]

約数ペア:

[(1, 1313808579), (3, 437936193), (9, 145978731), (27, 48659577), (81, 16219859), (773, 1699623), (2319, 566541), (6957, 188847), (20871, 62949), (20983, 62613)]