79380441

素因数分解:

$3^2\times 7^2\times {\mathrm{180001}}^1$

素因数の和:180021

約数の個数: 18

約数和(自身を含む): 133381482

約数和(自身を除く): 54001041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 180001, 540003, 1260007, 1620009, 3780021, 8820049, 11340063, 26460147, 79380441]

約数ペア:

[(1, 79380441), (3, 26460147), (7, 11340063), (9, 8820049), (21, 3780021), (49, 1620009), (63, 1260007), (147, 540003), (441, 180001)]