157027557681

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{21355577}}^1$

素因数の和:21355645

約数の個数: 24

約数和(自身を含む): 244307812320

約数和(自身を除く): 87280254639

約数列:

[1, 3, 9, 19, 43, 57, 129, 171, 387, 817, 2451, 7353, 21355577, 64066731, 192200193, 405755963, 918289811, 1217267889, 2754869433, 3651803667, 8264608299, 17447506409, 52342519227, 157027557681]

約数ペア:

[(1, 157027557681), (3, 52342519227), (9, 17447506409), (19, 8264608299), (43, 3651803667), (57, 2754869433), (129, 1217267889), (171, 918289811), (387, 405755963), (817, 192200193), (2451, 64066731), (7353, 21355577)]