25688817

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1951}}^1$

素因数の和:1994

約数の個数: 48

約数和(自身を含む): 48721920

約数和(自身を除く): 23033103

約数列:

[1, 3, 7, 9, 11, 19, 21, 33, 57, 63, 77, 99, 133, 171, 209, 231, 399, 627, 693, 1197, 1463, 1881, 1951, 4389, 5853, 13167, 13657, 17559, 21461, 37069, 40971, 64383, 111207, 122913, 150227, 193149, 259483, 333621, 407759, 450681, 778449, 1223277, 1352043, 2335347, 2854313, 3669831, 8562939, 25688817]

約数ペア:

[(1, 25688817), (3, 8562939), (7, 3669831), (9, 2854313), (11, 2335347), (19, 1352043), (21, 1223277), (33, 778449), (57, 450681), (63, 407759), (77, 333621), (99, 259483), (133, 193149), (171, 150227), (209, 122913), (231, 111207), (399, 64383), (627, 40971), (693, 37069), (1197, 21461), (1463, 17559), (1881, 13657), (1951, 13167), (4389, 5853)]