25164531

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{21023}}^1$

素因数の和:21055

約数の個数: 24

約数和(自身を含む): 43729920

約数和(自身を除く): 18565389

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 21023, 63069, 147161, 189207, 399437, 441483, 1198311, 1324449, 2796059, 3594933, 8388177, 25164531]

約数ペア:

[(1, 25164531), (3, 8388177), (7, 3594933), (9, 2796059), (19, 1324449), (21, 1198311), (57, 441483), (63, 399437), (133, 189207), (171, 147161), (399, 63069), (1197, 21023)]