257908077

素因数分解:

$3^3\times 7^1\times {\mathrm{1033}}^1\times {\mathrm{1321}}^1$

素因数の和:2370

約数の個数: 32

約数和(自身を含む): 437423360

約数和(自身を除く): 179515283

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 1033, 1321, 3099, 3963, 7231, 9247, 9297, 11889, 21693, 27741, 27891, 35667, 65079, 83223, 195237, 249669, 1364593, 4093779, 9552151, 12281337, 28656453, 36844011, 85969359, 257908077]

約数ペア:

[(1, 257908077), (3, 85969359), (7, 36844011), (9, 28656453), (21, 12281337), (27, 9552151), (63, 4093779), (189, 1364593), (1033, 249669), (1321, 195237), (3099, 83223), (3963, 65079), (7231, 35667), (9247, 27891), (9297, 27741), (11889, 21693)]