1984941

素因数分解:

$3^2\times 7^3\times {\mathrm{643}}^1$

素因数の和:670

約数の個数: 24

約数和(自身を含む): 3348800

約数和(自身を除く): 1363859

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 343, 441, 643, 1029, 1929, 3087, 4501, 5787, 13503, 31507, 40509, 94521, 220549, 283563, 661647, 1984941]

約数ペア:

[(1, 1984941), (3, 661647), (7, 283563), (9, 220549), (21, 94521), (49, 40509), (63, 31507), (147, 13503), (343, 5787), (441, 4501), (643, 3087), (1029, 1929)]