1397169

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{367}}^1$

素因数の和:426

約数の個数: 20

約数和(自身を含む): 2137344

約数和(自身を除く): 740175

約数列:

[1, 3, 9, 27, 47, 81, 141, 367, 423, 1101, 1269, 3303, 3807, 9909, 17249, 29727, 51747, 155241, 465723, 1397169]

約数ペア:

[(1, 1397169), (3, 465723), (9, 155241), (27, 51747), (47, 29727), (81, 17249), (141, 9909), (367, 3807), (423, 3303), (1101, 1269)]