1665927

素因数分解:

$3^4\times {\mathrm{131}}^1\times {\mathrm{157}}^1$

素因数の和:300

約数の個数: 20

約数和(自身を含む): 2523576

約数和(自身を除く): 857649

約数列:

[1, 3, 9, 27, 81, 131, 157, 393, 471, 1179, 1413, 3537, 4239, 10611, 12717, 20567, 61701, 185103, 555309, 1665927]

約数ペア:

[(1, 1665927), (3, 555309), (9, 185103), (27, 61701), (81, 20567), (131, 12717), (157, 10611), (393, 4239), (471, 3537), (1179, 1413)]