1947897

素因数分解:

$3^2\times 7^3\times {\mathrm{631}}^1$

素因数の和:658

約数の個数: 24

約数和(自身を含む): 3286400

約数和(自身を除く): 1338503

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 343, 441, 631, 1029, 1893, 3087, 4417, 5679, 13251, 30919, 39753, 92757, 216433, 278271, 649299, 1947897]

約数ペア:

[(1, 1947897), (3, 649299), (7, 278271), (9, 216433), (21, 92757), (49, 39753), (63, 30919), (147, 13251), (343, 5679), (441, 4417), (631, 3087), (1029, 1893)]