28493817

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1$

素因数の和:301

約数の個数: 32

約数和(自身を含む): 42771456

約数和(自身を除く): 14277639

約数列:

[1, 3, 11, 33, 83, 101, 103, 249, 303, 309, 913, 1111, 1133, 2739, 3333, 3399, 8383, 8549, 10403, 25149, 25647, 31209, 92213, 94039, 114433, 276639, 282117, 343299, 863449, 2590347, 9497939, 28493817]

約数ペア:

[(1, 28493817), (3, 9497939), (11, 2590347), (33, 863449), (83, 343299), (101, 282117), (103, 276639), (249, 114433), (303, 94039), (309, 92213), (913, 31209), (1111, 25647), (1133, 25149), (2739, 10403), (3333, 8549), (3399, 8383)]