81369267

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{4339}}^1$

素因数の和:4415

約数の個数: 32

約数和(自身を含む): 133324800

約数和(自身を除く): 51955533

約数列:

[1, 3, 7, 19, 21, 47, 57, 133, 141, 329, 399, 893, 987, 2679, 4339, 6251, 13017, 18753, 30373, 82441, 91119, 203933, 247323, 577087, 611799, 1427531, 1731261, 3874727, 4282593, 11624181, 27123089, 81369267]

約数ペア:

[(1, 81369267), (3, 27123089), (7, 11624181), (19, 4282593), (21, 3874727), (47, 1731261), (57, 1427531), (133, 611799), (141, 577087), (329, 247323), (399, 203933), (893, 91119), (987, 82441), (2679, 30373), (4339, 18753), (6251, 13017)]