42621243

素因数分解:

$3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{15493}}^1$

素因数の和:15634

約数の個数: 16

約数和(自身を含む): 65446656

約数和(自身を除く): 22825413

約数列:

[1, 3, 7, 21, 131, 393, 917, 2751, 15493, 46479, 108451, 325353, 2029583, 6088749, 14207081, 42621243]

約数ペア:

[(1, 42621243), (3, 14207081), (7, 6088749), (21, 2029583), (131, 325353), (393, 108451), (917, 46479), (2751, 15493)]