205872519

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{51481}}^1$

素因数の和:51558

約数の個数: 16

約数和(自身を含む): 289946624

約数和(自身を除く): 84074105

約数列:

[1, 3, 31, 43, 93, 129, 1333, 3999, 51481, 154443, 1595911, 2213683, 4787733, 6641049, 68624173, 205872519]

約数ペア:

[(1, 205872519), (3, 68624173), (31, 6641049), (43, 4787733), (93, 2213683), (129, 1595911), (1333, 154443), (3999, 51481)]