26901441

素因数分解:

$3^2\times 7^2\times {\mathrm{61001}}^1$

素因数の和:61021

約数の個数: 18

約数和(自身を含む): 45202482

約数和(自身を除く): 18301041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 61001, 183003, 427007, 549009, 1281021, 2989049, 3843063, 8967147, 26901441]

約数ペア:

[(1, 26901441), (3, 8967147), (7, 3843063), (9, 2989049), (21, 1281021), (49, 549009), (63, 427007), (147, 183003), (441, 61001)]