18771021

素因数分解:

$3^8\times {\mathrm{2861}}^1$

素因数の和:2885

約数の個数: 18

約数和(自身を含む): 28164942

約数和(自身を除く): 9393921

約数列:

[1, 3, 9, 27, 81, 243, 729, 2187, 2861, 6561, 8583, 25749, 77247, 231741, 695223, 2085669, 6257007, 18771021]

約数ペア:

[(1, 18771021), (3, 6257007), (9, 2085669), (27, 695223), (81, 231741), (243, 77247), (729, 25749), (2187, 8583), (2861, 6561)]