27786171

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{199}}^1$

素因数の和:379

約数の個数: 32

約数和(自身を含む): 43648000

約数和(自身を除く): 15861829

約数列:

[1, 3, 7, 21, 61, 109, 183, 199, 327, 427, 597, 763, 1281, 1393, 2289, 4179, 6649, 12139, 19947, 21691, 36417, 46543, 65073, 84973, 139629, 151837, 254919, 455511, 1323151, 3969453, 9262057, 27786171]

約数ペア:

[(1, 27786171), (3, 9262057), (7, 3969453), (21, 1323151), (61, 455511), (109, 254919), (183, 151837), (199, 139629), (327, 84973), (427, 65073), (597, 46543), (763, 36417), (1281, 21691), (1393, 19947), (2289, 12139), (4179, 6649)]