20453540163

素因数分解:

$3^1\times 7^2\times {\mathrm{139139729}}^1$

素因数の和:139139746

約数の個数: 12

約数和(自身を含む): 31723858440

約数和(自身を除く): 11270318277

約数列:

[1, 3, 7, 21, 49, 147, 139139729, 417419187, 973978103, 2921934309, 6817846721, 20453540163]

約数ペア:

[(1, 20453540163), (3, 6817846721), (7, 2921934309), (21, 973978103), (49, 417419187), (147, 139139729)]