1398141

素因数分解:

$3^4\times {\mathrm{41}}^1\times {\mathrm{421}}^1$

素因数の和:474

約数の個数: 20

約数和(自身を含む): 2144604

約数和(自身を除く): 746463

約数列:

[1, 3, 9, 27, 41, 81, 123, 369, 421, 1107, 1263, 3321, 3789, 11367, 17261, 34101, 51783, 155349, 466047, 1398141]

約数ペア:

[(1, 1398141), (3, 466047), (9, 155349), (27, 51783), (41, 34101), (81, 17261), (123, 11367), (369, 3789), (421, 3321), (1107, 1263)]