28519713

素因数分解:

$3^2\times {\mathrm{73}}^1\times {\mathrm{83}}^1\times {\mathrm{523}}^1$

素因数の和:685

約数の個数: 24

約数和(自身を含む): 42343392

約数和(自身を除く): 13823679

約数列:

[1, 3, 9, 73, 83, 219, 249, 523, 657, 747, 1569, 4707, 6059, 18177, 38179, 43409, 54531, 114537, 130227, 343611, 390681, 3168857, 9506571, 28519713]

約数ペア:

[(1, 28519713), (3, 9506571), (9, 3168857), (73, 390681), (83, 343611), (219, 130227), (249, 114537), (523, 54531), (657, 43409), (747, 38179), (1569, 18177), (4707, 6059)]