78954165

素因数分解:

$3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{21139}}^1$

素因数の和:21233

約数の個数: 24

約数和(自身を含む): 138509280

約数和(自身を除く): 59555115

約数列:

[1, 3, 5, 9, 15, 45, 83, 249, 415, 747, 1245, 3735, 21139, 63417, 105695, 190251, 317085, 951255, 1754537, 5263611, 8772685, 15790833, 26318055, 78954165]

約数ペア:

[(1, 78954165), (3, 26318055), (5, 15790833), (9, 8772685), (15, 5263611), (45, 1754537), (83, 951255), (249, 317085), (415, 190251), (747, 105695), (1245, 63417), (3735, 21139)]