81647097

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{63737}}^1$

素因数の和:63808

約数の個数: 16

約数和(自身を含む): 126456192

約数和(自身を除く): 44809095

約数列:

[1, 3, 7, 21, 61, 183, 427, 1281, 63737, 191211, 446159, 1338477, 3887957, 11663871, 27215699, 81647097]

約数ペア:

[(1, 81647097), (3, 27215699), (7, 11663871), (21, 3887957), (61, 1338477), (183, 446159), (427, 191211), (1281, 63737)]