1813309965

素因数分解:

$3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{256661}}^1$

素因数の和:256829

約数の個数: 24

約数和(自身を含む): 3163102488

約数和(自身を除く): 1349792523

約数列:

[1, 3, 5, 9, 15, 45, 157, 471, 785, 1413, 2355, 7065, 256661, 769983, 1283305, 2309949, 3849915, 11549745, 40295777, 120887331, 201478885, 362661993, 604436655, 1813309965]

約数ペア:

[(1, 1813309965), (3, 604436655), (5, 362661993), (9, 201478885), (15, 120887331), (45, 40295777), (157, 11549745), (471, 3849915), (785, 2309949), (1413, 1283305), (2355, 769983), (7065, 256661)]