28489365

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{223}}^1$

素因数の和:418

約数の個数: 48

約数和(自身を含む): 52835328

約数和(自身を除く): 24345963

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 167, 223, 255, 501, 669, 765, 835, 1115, 1503, 2007, 2505, 2839, 3345, 3791, 7515, 8517, 10035, 11373, 14195, 18955, 25551, 34119, 37241, 42585, 56865, 111723, 127755, 170595, 186205, 335169, 558615, 633097, 1675845, 1899291, 3165485, 5697873, 9496455, 28489365]

約数ペア:

[(1, 28489365), (3, 9496455), (5, 5697873), (9, 3165485), (15, 1899291), (17, 1675845), (45, 633097), (51, 558615), (85, 335169), (153, 186205), (167, 170595), (223, 127755), (255, 111723), (501, 56865), (669, 42585), (765, 37241), (835, 34119), (1115, 25551), (1503, 18955), (2007, 14195), (2505, 11373), (2839, 10035), (3345, 8517), (3791, 7515)]