25019127

素因数分解:

$3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{127}}^1$

素因数の和:252

約数の個数: 48

約数和(自身を含む): 43130880

約数和(自身を除く): 18111753

約数列:

[1, 3, 7, 9, 21, 53, 59, 63, 127, 159, 177, 371, 381, 413, 477, 531, 889, 1113, 1143, 1239, 2667, 3127, 3339, 3717, 6731, 7493, 8001, 9381, 20193, 21889, 22479, 28143, 47117, 52451, 60579, 65667, 67437, 141351, 157353, 197001, 397129, 424053, 472059, 1191387, 2779903, 3574161, 8339709, 25019127]

約数ペア:

[(1, 25019127), (3, 8339709), (7, 3574161), (9, 2779903), (21, 1191387), (53, 472059), (59, 424053), (63, 397129), (127, 197001), (159, 157353), (177, 141351), (371, 67437), (381, 65667), (413, 60579), (477, 52451), (531, 47117), (889, 28143), (1113, 22479), (1143, 21889), (1239, 20193), (2667, 9381), (3127, 8001), (3339, 7493), (3717, 6731)]