28840203

素因数分解:

$3^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{7759}}^1$

素因数の和:7831

約数の個数: 24

約数和(自身を含む): 48422400

約数和(自身を除く): 19582197

約数列:

[1, 3, 7, 9, 21, 59, 63, 177, 413, 531, 1239, 3717, 7759, 23277, 54313, 69831, 162939, 457781, 488817, 1373343, 3204467, 4120029, 9613401, 28840203]

約数ペア:

[(1, 28840203), (3, 9613401), (7, 4120029), (9, 3204467), (21, 1373343), (59, 488817), (63, 457781), (177, 162939), (413, 69831), (531, 54313), (1239, 23277), (3717, 7759)]