42777441

素因数分解:

$3^2\times 7^2\times {\mathrm{97001}}^1$

素因数の和:97021

約数の個数: 18

約数和(自身を含む): 71878482

約数和(自身を除く): 29101041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 97001, 291003, 679007, 873009, 2037021, 4753049, 6111063, 14259147, 42777441]

約数ペア:

[(1, 42777441), (3, 14259147), (7, 6111063), (9, 4753049), (21, 2037021), (49, 873009), (63, 679007), (147, 291003), (441, 97001)]