1640802729

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{509}}^1\times {\mathrm{24989}}^1$

素因数の和:25544

約数の個数: 16

約数和(自身を含む): 2243102400

約数和(自身を除く): 602299671

約数列:

[1, 3, 43, 129, 509, 1527, 21887, 24989, 65661, 74967, 1074527, 3223581, 12719401, 38158203, 546934243, 1640802729]

約数ペア:

[(1, 1640802729), (3, 546934243), (43, 38158203), (129, 12719401), (509, 3223581), (1527, 1074527), (21887, 74967), (24989, 65661)]