28554141

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1741}}^1$

素因数の和:1833

約数の個数: 32

約数和(自身を含む): 48162816

約数和(自身を除く): 19608675

約数列:

[1, 3, 7, 11, 21, 33, 71, 77, 213, 231, 497, 781, 1491, 1741, 2343, 5223, 5467, 12187, 16401, 19151, 36561, 57453, 123611, 134057, 370833, 402171, 865277, 1359721, 2595831, 4079163, 9518047, 28554141]

約数ペア:

[(1, 28554141), (3, 9518047), (7, 4079163), (11, 2595831), (21, 1359721), (33, 865277), (71, 402171), (77, 370833), (213, 134057), (231, 123611), (497, 57453), (781, 36561), (1491, 19151), (1741, 16401), (2343, 12187), (5223, 5467)]