28122645

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{739}}^1$

素因数の和:849

約数の個数: 32

約数和(自身を含む): 46886400

約数和(自身を除く): 18763755

約数列:

[1, 3, 5, 15, 43, 59, 129, 177, 215, 295, 645, 739, 885, 2217, 2537, 3695, 7611, 11085, 12685, 31777, 38055, 43601, 95331, 130803, 158885, 218005, 476655, 654015, 1874843, 5624529, 9374215, 28122645]

約数ペア:

[(1, 28122645), (3, 9374215), (5, 5624529), (15, 1874843), (43, 654015), (59, 476655), (129, 218005), (177, 158885), (215, 130803), (295, 95331), (645, 43601), (739, 38055), (885, 31777), (2217, 12685), (2537, 11085), (3695, 7611)]