2945439

素因数分解:

$3^2\times 7^2\times {\mathrm{6679}}^1$

素因数の和:6699

約数の個数: 18

約数和(自身を含む): 4949880

約数和(自身を除く): 2004441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 6679, 20037, 46753, 60111, 140259, 327271, 420777, 981813, 2945439]

約数ペア:

[(1, 2945439), (3, 981813), (7, 420777), (9, 327271), (21, 140259), (49, 60111), (63, 46753), (147, 20037), (441, 6679)]