28621275

素因数分解:

$3^1\times 5^2\times {\mathrm{359}}^1\times {\mathrm{1063}}^1$

素因数の和:1435

約数の個数: 24

約数和(自身を含む): 47496960

約数和(自身を除く): 18875685

約数列:

[1, 3, 5, 15, 25, 75, 359, 1063, 1077, 1795, 3189, 5315, 5385, 8975, 15945, 26575, 26925, 79725, 381617, 1144851, 1908085, 5724255, 9540425, 28621275]

約数ペア:

[(1, 28621275), (3, 9540425), (5, 5724255), (15, 1908085), (25, 1144851), (75, 381617), (359, 79725), (1063, 26925), (1077, 26575), (1795, 15945), (3189, 8975), (5315, 5385)]