28145217

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1$

素因数の和:273

約数の個数: 32

約数和(自身を含む): 41247360

約数和(自身を除く): 13102143

約数列:

[1, 3, 17, 51, 61, 83, 109, 183, 249, 327, 1037, 1411, 1853, 3111, 4233, 5063, 5559, 6649, 9047, 15189, 19947, 27141, 86071, 113033, 153799, 258213, 339099, 461397, 551867, 1655601, 9381739, 28145217]

約数ペア:

[(1, 28145217), (3, 9381739), (17, 1655601), (51, 551867), (61, 461397), (83, 339099), (109, 258213), (183, 153799), (249, 113033), (327, 86071), (1037, 27141), (1411, 19947), (1853, 15189), (3111, 9047), (4233, 6649), (5063, 5559)]