1618444827

素因数分解:

$3^3\times {\mathrm{421}}^1\times {\mathrm{142381}}^1$

素因数の和:142811

約数の個数: 16

約数和(自身を含む): 2403408160

約数和(自身を除く): 784963333

約数列:

[1, 3, 9, 27, 421, 1263, 3789, 11367, 142381, 427143, 1281429, 3844287, 59942401, 179827203, 539481609, 1618444827]

約数ペア:

[(1, 1618444827), (3, 539481609), (9, 179827203), (27, 59942401), (421, 3844287), (1263, 1281429), (3789, 427143), (11367, 142381)]