81105633

素因数分解:

$3^2\times 7^2\times {\mathrm{353}}^1\times {\mathrm{521}}^1$

素因数の和:894

約数の個数: 36

約数和(自身を含む): 136927908

約数和(自身を除く): 55822275

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 353, 441, 521, 1059, 1563, 2471, 3177, 3647, 4689, 7413, 10941, 17297, 22239, 25529, 32823, 51891, 76587, 155673, 183913, 229761, 551739, 1287391, 1655217, 3862173, 9011737, 11586519, 27035211, 81105633]

約数ペア:

[(1, 81105633), (3, 27035211), (7, 11586519), (9, 9011737), (21, 3862173), (49, 1655217), (63, 1287391), (147, 551739), (353, 229761), (441, 183913), (521, 155673), (1059, 76587), (1563, 51891), (2471, 32823), (3177, 25529), (3647, 22239), (4689, 17297), (7413, 10941)]