2198889

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1$

素因数の和:210

約数の個数: 48

約数和(自身を含む): 4193280

約数和(自身を除く): 1994391

約数列:

[1, 3, 7, 9, 11, 19, 21, 33, 57, 63, 77, 99, 133, 167, 171, 209, 231, 399, 501, 627, 693, 1169, 1197, 1463, 1503, 1837, 1881, 3173, 3507, 4389, 5511, 9519, 10521, 12859, 13167, 16533, 22211, 28557, 34903, 38577, 66633, 104709, 115731, 199899, 244321, 314127, 732963, 2198889]

約数ペア:

[(1, 2198889), (3, 732963), (7, 314127), (9, 244321), (11, 199899), (19, 115731), (21, 104709), (33, 66633), (57, 38577), (63, 34903), (77, 28557), (99, 22211), (133, 16533), (167, 13167), (171, 12859), (209, 10521), (231, 9519), (399, 5511), (501, 4389), (627, 3507), (693, 3173), (1169, 1881), (1197, 1837), (1463, 1503)]