28216083

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{70717}}^1$

素因数の和:70746

約数の個数: 16

約数和(自身を含む): 45259520

約数和(自身を除く): 17043437

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 70717, 212151, 495019, 1343623, 1485057, 4030869, 9405361, 28216083]

約数ペア:

[(1, 28216083), (3, 9405361), (7, 4030869), (19, 1485057), (21, 1343623), (57, 495019), (133, 212151), (399, 70717)]