1904679

素因数分解:

$3^2\times 7^3\times {\mathrm{617}}^1$

素因数の和:644

約数の個数: 24

約数和(自身を含む): 3213600

約数和(自身を除く): 1308921

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 343, 441, 617, 1029, 1851, 3087, 4319, 5553, 12957, 30233, 38871, 90699, 211631, 272097, 634893, 1904679]

約数ペア:

[(1, 1904679), (3, 634893), (7, 272097), (9, 211631), (21, 90699), (49, 38871), (63, 30233), (147, 12957), (343, 5553), (441, 4319), (617, 3087), (1029, 1851)]