81879669

素因数分解:

$3^2\times {\mathrm{59}}^1\times {\mathrm{271}}^1\times {\mathrm{569}}^1$

素因数の和:905

約数の個数: 24

約数和(自身を含む): 120931200

約数和(自身を除く): 39051531

約数列:

[1, 3, 9, 59, 177, 271, 531, 569, 813, 1707, 2439, 5121, 15989, 33571, 47967, 100713, 143901, 154199, 302139, 462597, 1387791, 9097741, 27293223, 81879669]

約数ペア:

[(1, 81879669), (3, 27293223), (9, 9097741), (59, 1387791), (177, 462597), (271, 302139), (531, 154199), (569, 143901), (813, 100713), (1707, 47967), (2439, 33571), (5121, 15989)]