198064923

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{421}}^1\times {\mathrm{521}}^1$

素因数の和:995

約数の個数: 32

約数和(自身を含む): 310159872

約数和(自身を除く): 112094949

約数列:

[1, 3, 7, 21, 43, 129, 301, 421, 521, 903, 1263, 1563, 2947, 3647, 8841, 10941, 18103, 22403, 54309, 67209, 126721, 156821, 219341, 380163, 470463, 658023, 1535387, 4606161, 9431663, 28294989, 66021641, 198064923]

約数ペア:

[(1, 198064923), (3, 66021641), (7, 28294989), (21, 9431663), (43, 4606161), (129, 1535387), (301, 658023), (421, 470463), (521, 380163), (903, 219341), (1263, 156821), (1563, 126721), (2947, 67209), (3647, 54309), (8841, 22403), (10941, 18103)]