28751427

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{383}}^1\times {\mathrm{439}}^1$

素因数の和:847

約数の個数: 24

約数和(自身を含む): 43929600

約数和(自身を除く): 15178173

約数列:

[1, 3, 9, 19, 57, 171, 383, 439, 1149, 1317, 3447, 3951, 7277, 8341, 21831, 25023, 65493, 75069, 168137, 504411, 1513233, 3194603, 9583809, 28751427]

約数ペア:

[(1, 28751427), (3, 9583809), (9, 3194603), (19, 1513233), (57, 504411), (171, 168137), (383, 75069), (439, 65493), (1149, 25023), (1317, 21831), (3447, 8341), (3951, 7277)]