28471815

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{27509}}^1$

素因数の和:27543

約数の個数: 24

約数和(自身を含む): 51498720

約数和(自身を除く): 23026905

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 1035, 27509, 82527, 137545, 247581, 412635, 632707, 1237905, 1898121, 3163535, 5694363, 9490605, 28471815]

約数ペア:

[(1, 28471815), (3, 9490605), (5, 5694363), (9, 3163535), (15, 1898121), (23, 1237905), (45, 632707), (69, 412635), (115, 247581), (207, 137545), (345, 82527), (1035, 27509)]