2019977379

素因数分解:

$3^3\times 7^1\times {\mathrm{73}}^1\times {\mathrm{146407}}^1$

素因数の和:146496

約数の個数: 32

約数和(自身を含む): 3466941440

約数和(自身を除く): 1446964061

約数列:

[1, 3, 7, 9, 21, 27, 63, 73, 189, 219, 511, 657, 1533, 1971, 4599, 13797, 146407, 439221, 1024849, 1317663, 3074547, 3952989, 9223641, 10687711, 27670923, 32063133, 74813977, 96189399, 224441931, 288568197, 673325793, 2019977379]

約数ペア:

[(1, 2019977379), (3, 673325793), (7, 288568197), (9, 224441931), (21, 96189399), (27, 74813977), (63, 32063133), (73, 27670923), (189, 10687711), (219, 9223641), (511, 3952989), (657, 3074547), (1533, 1317663), (1971, 1024849), (4599, 439221), (13797, 146407)]