42120903

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{661}}^1\times {\mathrm{1931}}^1$

素因数の和:2606

約数の個数: 16

約数和(自身を含む): 61391232

約数和(自身を除く): 19270329

約数列:

[1, 3, 11, 33, 661, 1931, 1983, 5793, 7271, 21241, 21813, 63723, 1276391, 3829173, 14040301, 42120903]

約数ペア:

[(1, 42120903), (3, 14040301), (11, 3829173), (33, 1276391), (661, 63723), (1931, 21813), (1983, 21241), (5793, 7271)]