81252555

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{281}}^1\times {\mathrm{521}}^1$

素因数の和:847

約数の個数: 32

約数和(自身を含む): 134250048

約数和(自身を除く): 52997493

約数列:

[1, 3, 5, 15, 37, 111, 185, 281, 521, 555, 843, 1405, 1563, 2605, 4215, 7815, 10397, 19277, 31191, 51985, 57831, 96385, 146401, 155955, 289155, 439203, 732005, 2196015, 5416837, 16250511, 27084185, 81252555]

約数ペア:

[(1, 81252555), (3, 27084185), (5, 16250511), (15, 5416837), (37, 2196015), (111, 732005), (185, 439203), (281, 289155), (521, 155955), (555, 146401), (843, 96385), (1405, 57831), (1563, 51985), (2605, 31191), (4215, 19277), (7815, 10397)]