28131753

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{281}}^1$

素因数の和:465

約数の個数: 32

約数和(自身を含む): 43206912

約数和(自身を除く): 15075159

約数列:

[1, 3, 13, 17, 39, 51, 151, 221, 281, 453, 663, 843, 1963, 2567, 3653, 4777, 5889, 7701, 10959, 14331, 33371, 42431, 62101, 100113, 127293, 186303, 551603, 721327, 1654809, 2163981, 9377251, 28131753]

約数ペア:

[(1, 28131753), (3, 9377251), (13, 2163981), (17, 1654809), (39, 721327), (51, 551603), (151, 186303), (221, 127293), (281, 100113), (453, 62101), (663, 42431), (843, 33371), (1963, 14331), (2567, 10959), (3653, 7701), (4777, 5889)]